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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997
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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
07-07-23, 04:37 AM
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#481 | |
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The Old Man
 Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Completed Patrol Objective #4
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) 0935 - Qu.9491GR - Course 113°. 1100 - Qu.9496GR - Course 123°; 1/3-Ahead. 1050 - Qu.9496GR - Reached Control Point No.4 (17km from actual position in Qu.9577GR top left). Cmdr.: We seem to have cleared the enemy air cover zone. 1141 - Qu.9577GR top left - Course 87°; 235RPM/8kn. 1200 - Qu.9577GR - Days Run: 254.3nm - ↗ 244.5nm (20h 45') - ↘ 9.8nm (3h 15') Total: 9313.0nm (52tg 22h) - ↗ 8917.3nm (46tg 16h 37') - ↘ 395.7nm (6tg 05h 23') Course 87°; 455cbm (4cbm in 24h); Battery 90%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 61h) - Early Morning Dawn - 1245 - Outgoing F.T.: To B.d.U.: Reached Control Point 4. Going to supply point acc. Op.-Orders and F.T.1215/25/4307. Much air south of Capetown to Qu.8355GR, Sunderland, Catalina, Wellington and Hudson/Ventura, partially no radar detection, spotlights at night. Still have 2 EtoFat and 455cbm. SSE4/3, clear, scattered clouds, visibility 4-5nm, >1000mb. - RST - 1303 - Qu.9578GR center top - Diving for torpedo maintenance and trial dive. 1309 - T=48. Beginning torpedo maintenance. 1331 - Sunrise. 1400 - Tube V serviced (EtoFat/Pi39H). - Break until 1409 - 1500 - Tube VI serviced (EtoFat/Pi39H). 1510 - Beginning of Trial Dive acc. B.d.U. Standing Orders No.507 and No.308. 145rpm. 1553 - Boat is safe and secure at 2A-Meter. 1555 - Setting for T=20 with 96rpm. 1611 - Reception Depth. Battery 83%, Compressed Air Supply 300Atü, CO₂ 1.5%. 1615 - Qu.9576GR bottom center - Surfaced from S-Tiefe after 3h 12' and 9.1nm. Weather and Sea unchanged. 1620 - Boat ventilated. Charging batteries (83.0%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 285RPM/8kn. 1755 - Batteries fully charged: 1h 35min. for 17%. 1800 - Testing main diesels acc. B.d.U.-Standing Order No. 510. Running diesels up and back down in 5min. intervals: - 1/3-Ahead, 285RPM, 10kn/10.0kn - 2xH.F., 375RPM, 13kn/13.3kn - Full-Ahead, 455RPM, 16.5kn/16.4kn - A.K., 496RPM, 18.2kn, from 1815 until 1845. 1900 - 235RPM/8kn. 2255 - Sundown. Weather and Sea unchanged. RST
KorvKpt.& Cmdr. U 115
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07-08-23, 04:30 AM
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#482 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - New B.d.U. Op. and Supply Orders
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Sunday, 27 June 1943 - South of the Alguhas Bank - 0808 - Qu.7444KY - 1200 - Qu.7545KY - Days Run: 183.9nm - ↗ 174.8nm (20h 48') - ↘ 9.1nm (3h 12') Total: 9496.9nm (53tg 22h) - ↗ 9092.1nm (47tg 13h 25') - ↘ 404.8nm (6tg 08h 35') Course 87°; 452cbm (3cbm in 24h); Battery 100%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 3d 13h) - Early Morning Dawn - 1210 - Incoming Radio Reports: From O.K.W.: a) Despite the Möhne reservoir dam and the Edersee reservoir dam still damaged from the 17 May 1943 British raid, total water output was restored to full capacity by today, achieved by the implementation of the emergency pumping scheme inaugurated the previous year. From B.d.U.: a) If numerically possible, U 180 (IXD1; Fregkpt. Werner Musenberg) is to be escorted by Ju 88 from 8° W, as of 26 June. Destroyer escort is also anticipated. The boat is carrying Japanese Officers, also, valuable apparatus and gold. To U 115: As there is still no reports from supply group U 488 (Oblt.d.R. Erwin Bartke) and "Schliemann", all southward bound boats are duty bound to proceed at economical cruising speed in order to have more freedom of movement in the event of enemy contact. RST: Switch to Circuit Afrika-II, on 28 June, 1400h. - BdU - B-Dienst Report: a) British Chiefs of Staff circulated the "German Long-Range Rocket: Evidence Received from All Sources" report, with details of our V-Weapons potentially capable of carrying 2 to 8 tons of high explosives. 1320 - Sunrise. Weather and Sea unchanged. 2245 - Sundown. Weather and Sea unchanged. RST
KorvKpt.& Cmdr. U 115
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07-09-23, 07:44 AM
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#483 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Heading toward Supply Ship
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Monday, 28 June 1943 - South of Port Elizabeth - 0130 - Qu.8642KY - 1200 - Qu.9619KY - Days Run: 193.6nm - ↗ (24h) Total: 9690.5nm (54tg 22h) - ↗ 9285.7nm (48tg 13h 25') - ↘ 404.8nm (6tg 08h 35') Course 87°; 449.5cbm (2.5cbm in 24h); Battery 100%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 4d 13h) - Early Morning Dawn - 1310 - Sunrise. Weather and Sea unchanged. 1405 - Qu.9639KY - Switching to circuit Afrika-II, acc. B.d.U.-F.T.1210/27/4306. 2235 - Qu.7165KZ - Sundown. Weather and Sea unchanged. RST
KorvKpt.& Cmdr. U 115
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07-10-23, 05:43 AM
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#484 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Allied terror bombings continue on German cities
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Tuesday, 29 June 1943 - South of East London - - 8th week at sea completed - 1010 - F.T. from F.d.U.-Nordmeer: To B.d.U.: Status report about U.-Base on Franz-Josef-Island. 1200 - Qu.7342KZ - Days Run: 193.6nm - ↗ (24h) Total: 9884.1nm (55tg 22h) - ↗ 9479.3nm (49tg 13h 25') - ↘ 404.8nm (6tg 08h 35') Course 87°; 447cbm (2.5cbm in 24h); Battery 100%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 5d 13h) - Early Morning Dawn - 1259 - Sunrise. Weather and Sea unchanged. 2225 - Sundown. Weather and Sea unchanged. 2311 - Incoming Radio Reports: From O.K.W.: a) US Marines have landed at Lae on Nassau, New Guinea and the US 158th Regimental Combat Team and the US 6th Engineer Combat Company at Kiriwini Island, Trobriand Islands. b) On 28 June, Köln was bombed by British terror bombers, heavily damaging the cathedral and inflicting heavy civilian casualties. From B.d.U.: a) U 180 (IXD1; Fregkpt. Werner Musenberg) reported aircraft attack from high altitude in BE9955 (west of Finisterre). b) U 119 (XB; Kptlt. Horst-Tessen von Kameke) and U 449 (Oblt. Hermann Otto) were returning together via the Biscay area. The last certain position was BE 9256, dated 23.6. Since that date there have been no messages. On 25.6. there was particularly heavy English air activity, and an English unit was located in BF 8110. It is impossible to say whether this ties up with the destruction of the boats. It may have referred to an English U-boat which scored 2 lucky hits with a quadruple spread. The boats have not reported again. U 119 and U 449 (on her first war patrol) must be presumed lost. B-Dienst Report: a) According to an agent's report on 28 June, several steamers sailing in ballast may be expected to leave Freetown for Pernambuco, between 29. and 30.6. The boats have been instructed accordingly. b) On 28 June, a Royal Air Force reconnaissance aircraft conclusively identified our long-range rocket launch sites at Peenemünde. RST
KorvKpt.& Cmdr. U 115
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07-11-23, 03:36 AM
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#485 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Black May continues - New B.d.U.-Orders
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Wednesday, 30 June 1943 - South of Durban -
0310 - Qu.8187KZ - 1110 - F.T. from O.K.M.: a) C-in-C has ordered the fragmentation of the Uboats force, in order to force dissipation of the enemy ASW forces. Re-fueling to be done in the South-Atlantic. b) Because of the loss of U 194 (Kptlt. Hermann Hesse) and U 200 (IXD2; KrvKpt. Heinrich Schonder) and previous experiences, C-in-C has ordered with immediate effect, that no boat is to put out without quadruple mounted guns. A temporary postponement of operational orders for 3 to 4 weeks and a hold up in German shipyards must be taken into account. The intention of sending several boats through the Channel, i.e. under strong escort at night and lying on the bottom during the day, is postponed for the time being as: 1) The prevailing moon quarter is unsuitable for such an undertaking. 2) The necessary forces are not available for the escort groups at such short notice. Further, the first attempt should not be made with a IXd2 (U 847; Kptlt. Herbert Kuppisch). The first breakthrough will probably take place during the next new moon period. 3) C-in-C has also ordered that the 4 boats, U 387, 277, 307 and 713 at present outward bound in the North Sea are to be temporarily placed at the disposal of S.O. U-boats Norway. S.O. U-boats Norway is planning the execution of several minelaying operations in the Kara Sea. 1145 - Early Morning Dawn - 1200 - Qu.8226KZ - Days Run: 193.6nm - ↗ (24h) Total: 10077.7nm (56tg 22h) - ↗ 9672.9nm (50tg 13h 25') - ↘ 404.8nm (6tg 08h 35') Course 87°; 444.5cbm (2.5cbm in 24h); Battery 100%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 6d 13h) 1247 - Sunrise. Weather and Sea unchanged. 1300 - Qu.8234KZ - Diving for torpedo maintenance and trial dive. 1305 - T=49. Beginning torpedo maintenance. 1400 - Tube V serviced (EtoFat/Pi39H). - Break until 1409 - 1500 - Tube VI serviced (EtoFat/Pi39H). 1505 - Beginning of Trial Dive acc. B.d.U. Standing Orders No.507 and No.308. 145rpm. 1547 - Boat is safe and secure at 2A-Meter. 1550 - Setting for T=20 with 96rpm. 1606 - Reception Depth. Battery 91.4%, Compressed Air Supply 300Atü(!), CO₂ 1.5%. Cmdr.: L.I. reports that the Compressed Air Supply Gauge is faulty. Seems to be stuck at full. Repair is ongoing. 1610 - Qu.8235KZ - Surfaced from S-Tiefe after 3h 10' and 9.0nm. Weather and Sea unchanged. - to be continued -
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07-12-23, 02:48 PM
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#486 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Allied forces advancing in the Pacific
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Wednesday, 30 June 1943 - South of Durban - - continued from 30 June, 1610 - 1615 - Boat ventilated. Testing main diesels acc. B.d.U.-Standing Order No. 510. Running diesels up and back down in 5min. intervals: - 1/3-Ahead, 285RPM, 10kn/10.0kn - 2xH.F., 375RPM, 13.3kn/13.3kn - Full-Ahead, 455RPM, 16.4kn/16.4kn - A.K., 496RPM, 18.2kn, from 1630 until 1700. 1715 - 235RPM/8kn. 1840 - Qu.8315KZ - 2218 - Sundown. Weather and Sea unchanged. 2311 - Incoming Radio Reports: From O.K.W.: a) US occupation troops arrived early at Nono, New Georgia, Solomon Islands and will join the US Marine Corps 4th Raider Battalion on the planned attack on Viru Harbor; nearby on the island of Vangunu, Companies N and Q of the US Marine Corps 4th Raider Battalion and 2nd Battalion of US Army 103rd Infantry Regiment landed unopposed near Oloana Bay; they will capture Wickham Anchorage by the end of the day. On Rendova Island, elements of the US Army 172nd Infantry Regiment, US Army 103nd Infantry Regiment, US Navy 24th Naval Construction Battalion, and US Navy 9th Defense Battalion landed against light resistance; Japanese aircraft attempted to disrupt landing operations, but they were intercepted by aircraft of US Marine Fighter Squadrons 121, 122, 213, and 221. b) The Wehrmacht authorised the issue of the 21 cm Nebelwerfer 42 rocket launcher. From B.d.U.: a) U 180 (IXD1; Fregkpt. Werner Musenberg) was attacked by carrier borne aircraft in BF 7564. The boat reported strong air escort. It is to be picked up by our destroyers in BF 7643 and escorted to Bordeaux. b) U 511 (Kptlt. Fritz Schneewind) received freedom of action. Attacks are forbidden, however, S. of the communicating line from KS 33 to LQ 58, owing to Eastbound tanker "Schliemann". c) U 188 (Kptlt. Siegfried Lüdden) is the first Monsoon boat to put out from Lorient, following U 115. - See Monsoon Appendix. - B-Dienst Report: a) The United States Marine Corps reported the active duty strength of 21,384 officers and 287,139 enlisted, for a total of 308,523 personnel. RST
KorvKpt.& Cmdr. U 115
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07-13-23, 02:44 PM
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#487 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - New B.d.U. Op. and Monsoon Orders
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Thursday, 1 July 1943 - South of Maputo - 1138 - Early Morning Dawn - 1200 - Qu.9133KZ - Days Run: 184.2nm - ↗ 175.2nm (20h 50') - ↘ 9.0nm (3h 10') Total: 10261.9nm (57tg 22h) - ↗ 9848.1nm (51tg 10h 15') - ↘ 413.8nm (6tg 11h 45') Course 87°; 442cbm (2.5cbm in 24h); Battery 91.4%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 7d 13h) 1240 - Sunrise. Weather and Sea unchanged. 2209 - Sundown. Weather and Sea unchanged. 2317 - Qu.6977KZ - +++++++ Monsoon Appendix. C-in-C German Navy 2. Sk1./B.d.U. Op. Nr. Ckdos. 3495 A1 10.June 1943. Operational Order "Monsoon" for U 188, U 532, U 168, U 509, U 183, U 514, U 506, U 533, U 516 and for U 115, U 200 and U 847. (Only the general regulations apply for the latter boats) I. Duties: 1) Blitz attack on enemy merchant shipping and enemy surface forces in the Arabian Sea area. Time: Termination of South West Monsoon. 2) On the outward and return passage roughly according to the general directions in Operational Order Atlantic No. 54. 3) Procedure according to Commander's Hand Book, Standing War Orders, Standing Orders and General instructions Operational Order No. 54. II. Intelligence of the Enemy: 4) See appendix 1. III. Intelligence of our own surface forces: 5) Warships. The appearance of our own warships (also auxiliary cruisers) is not to be expected in the entire outward passage and operational area. Japanese surface forces and U-boats may be encountered. Appropriate statements on this matter, however, will be made by wireless when necessary. 6) Store and supply ship's blockade runners. See Instructions Operational Order No. 54 paragraph 12 and Appendix 1. Supply is planned from German supply ships putting out from Japan. Announcement by W/T. IV. Execution: A) General Scheme. 7) The boat must be equipped with special care with regard to the heavy long term strain to be imposed upon it. Spare parts, machine equipment are to be carried in adequate supply, a cabin on the upper deck is to be set aside as store room. Maximum supply of provisions must be provided. 8) The boats are to sail in the period from 25th June to 4th July. They are to make for FD 20 at economical cruising speed. The first fuel replenishment will take place here. Supply boat "Milkcow" U 462 (Oblt. Bruno Vowe). Enemy air reconnaissance must be expected in this area within a 300 sea mile circumference of Ascension Island. 9) Progress is to be made on the shortest routes but with adequate distance )about 300 to 400 sea miles from the South African coast outside the enemy short range aircraft area, to KS 50. Here, the second replenishment of supplies is to take place from German merchant ships sailing from Japan. For details of supply and procedure at the supply point see paragraph 16 and 20. 10) After replenishment of supplies, boats will proceed to the operational areas allocated to them. Central points MP 60, MF 30, MH 70 and LC 30. Boats must expect to be in their respective operations areas for about one month. Course for operations, change of operations area will be sent by W/T. 11) After exhaustion of supplies etc., and on instructions to return, via new supply point in KS or KT. Replenishment from German ship, then return passage to Lorient. 12) Measures to be adopted in the event of nonappearance by German Supply Ships. On nonappearance of ship for second replenishment (according to paragraph 9) according to situation: a) Occupation of Cape area as operations area, subsequent return passage with further supply by U-boat tanker or b) Passage to Penang, refuel and short rest, operations in Arabian Sea, refuel on the return passage. (Directions for approach to Penang, see Appendix 3) 13) On the nonappearance of the supply ship for 3rd replenishment (see paragraph 11) passage to Penang. Mutual assistance with fuel. There refuel for return passage. Small number of torpedoes available. Further Plans. 14) Some boats will be allowed to undergo short overhaul and supply (also with torpedoes) according to the need of boat and personnel. Further operations in India area subsequent return passage. B) Permission to attack and general procedure. 15) On the outward passage up to 200 sea miles off the supply point in KS 50: Wireless discipline according to Signals Directive Operations Order No. 54. Permissions to attack according to general directive of Operations Order Atlantic No. 54 and Standing War Orders No. 101 and 105. Exploit every chance to the utmost also convoys. In the case of north bound convoys in the Atlantic orders for the breaking off of operations will be given by the Command. 16) Within a 200 sea miles circumference of the supply area in KS and KT. Wireless and attack ban. Remember that surface craft are considerably more vulnerable than U-boat tankers. Boats are free to attack if the supply ship is in danger or if the latter has been sighted by an enemy merchant ship. 17) The 100% success of this undertaking can only be assured if the boats attacks are carried out swiftly and unexpectedly at the focal points, in a time limit determined by keyword order. In addition, on passage to Operations area in Arabian Sea: (After replenishment of supplies in KS 50) a) Until arrival in operations area definitely remain unseen and unlocated. b) Strict wireless silence. Only transmit if it is confirmed with certainty that the boat is observed and recognized as German by the enemy. Even in this case, the Commander must question whether according to circumstance (the course on which the sighting took place, the certainty of recognition etc) the enemy's reaction can be anticipated in which case the breaking of wireless silence is justified and correct. c) General ban on attacks on merchant ships and war-ships until keyword is given. Attack is only allowed on: Battleships A/c carriers Troop transport ships of more than 15,000 GRT. if a hit is certain 18) a) In operations area: Permission to attack on the key-word order "Hinein" with appropriate number which gives the date of the attack when divided by 7. Start of attack 1800 German Summer Time. Example: Hinein 196 means: Permission to attack at 1800 German Summer Time on 28th. b) As long as the traffic and defence situation is clarified and the boat has been observed by the enemy, send situation report. Clear reports, so that, if necessary, the Command can redistribute the operational areas. c) Sensible use of torpedoes. Economical considered use of torpedoes in busy traffic. If there is not much traffic do not economize, fire fans. Fully exploit the effectiveness of magnetic firing torpedoes especially for finishing shots. Do not over rate the enemy defence. It has never been used against U-boats and is therefore inexperienced and inferior. C) Supply. 19) First supply in FD 20 from U 462. Replenishment with fuel, taking on of provisions for 3 to 4 weeks. 20) Second and third supply from German tanker "Brake". Special recognition signal for merchant ships to be met in ES, will be ordered by W/T. Full replenishment of fuel supplies from "Brake". Suitable U-boat provisions are apparently not available in adequate supply there, so that if necessary provisioning will have to take place from U-boat tankers on the return passage. V. Communications Instructions: See appendix 2. (T.N. page 541) VI. Miscellaneous: There will be a doctor on every boat. +++++++ RST
KorvKpt.& Cmdr. U 115
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07-14-23, 04:10 AM
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#488 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - New B.d.U. Op. and Monsoon Orders
Quote:
Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Friday, 2 July 1943 - South of the Straight of Mozambique - 1126 - Early Morning Dawn - 1200 - Qu.4784JA - Days Run: 193.6nm - ↗ (24h) Total: 10455.5nm (58tg 22h) - ↗ 10041.7nm (52tg 10h 15') - ↘ 413.8nm (6tg 11h 45') Course 87°; 439.5cbm (2.5cbm in 24h); Battery 91.4%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 8d 13h) 1228 - Sunrise. Weather and Sea unchanged. +++++++ Appendix 2 to Operations Order "Monsoon" V. Communications Instructions: 21) Wireless traffic to be cleared in accordance with Standing War Orders - Communications Regulations (N.B. U-boats). Wireless discipline see paragraph 15 - 17 of this operational order. 22) A special U-boat (wave-length) system "India", is to be inaugurated for communication between home (stations) and units operating in the Indian Ocean. The order for this, included in the appendix is drafted as a Standing Operational Order B.d.U. (Comm. Regs.). When this system is put into force, the draft is to be inserted in the Communications Regulations for U-boats as a Standing War Order. The number will be given. If alterations are necessary boats will be informed by W/T. 23) There is as yet little experience of wireless traffic for the operations area. The cooperation of the boats, therefore, is expected. a) Exploitation of every chance of reliable interception. The use of a special very long wave high-power transmitter is probable. The operating of special short wave program times is proposed. b) Most extensive use of Wireless system "B" (Standing War Order 206 App. 2) and alternative frequencies for the sending of news. As far as can be seen, wireless system "B" is particularly suitable for the operational area, especially if home reception is bad on the ordered system. c) Wireless relay service and the exploitation of possibilities of U-boats group system (Standing War Order 207), is to be particularly observed especially in combined operations. Always attempt to contact the Command on the home wave lengths. d) Experience of reception conditions in the operations area are of special importance to the control station for the clearing of wireless services. Observations on this point are therefore to be added to other messages. Improvement is only possible in this way. The keeping of a S/S list for all short and very long waves observed (also on outward and return passage) is very important especially in the operations area as the later evaluation by scientific departments is of great value in the improvement of all U-boat wave bands. 24) Cypher and recognition signal tables and line indicators for the frequency tables for maximum period, also excepts from the frequency tables A - D January 1942 issue are to be taken. 25) For change of recognition signals outside Europe, area according to Recognition Signal Directive paragraph 110, also except from Recognition Signal Directions Overseas edition (Standing Operational Order 222) suitable for call sign exchange with the tanker "Brake". (See also paragraph 20 of this Operational Order) The carrying out of call sign exchange with Japanese Naval Forces or aircraft likewise on approaching Penang will be ordered by W/T. 26) When operating in shallow water, preparations must be made for the destruction of cypher material, place red printed matter so that the water can reach it. (See Standing War Order 231 Section B) +++++++
- to be continued -
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07-15-23, 08:20 AM
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#489 | |
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The Old Man
Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Black May continues into July
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Friday, 2 July 1943 - South of the Straight of Mozambique - - continued from 2 July, 1228 - 2158 - Sundown. Weather and Sea unchanged. 2311 - Incoming Radio Reports: From O.K.W.: a) On 1 July, The Führer addressed the generals slated to command Operation Citadel. b) Also, on 1 July, the Luftwaffe formed the Fernaufklärungsgruppe 5 special long range reconnaissance unit. c) The Italian 1st Air Force Assault Regiment "Amedeo d'Aosta" was effectively disbanded; as of this date, it consists only of a small number of officers. d) The US 15th Air Force attacked 3 airfields in southern Italy. e) US-Troops have landed on New Georgia, Solomon Islands, with troops of US Army 43rd Division moving from Rendova to New Georgia, covered by gunfire from US Marines 9th Defense Battalion and US Army 192nd Field Artillery aimed at Munda Airfield. Major General Noboru Sasaki assumed sole command of all Japanese garrisons on New Georgia. Japanese bombers attempted to interfere by attacking supply dumps on Rendova, causing heavy casualties. f) Japanese physicist Yoshio Nishina met his with army liaison officer Major General Nobuji and reported that he expected to be successful with the nuclear research project. He noted that 10 kilograms of uranium-235 of at least 50% purity to create an atomic bomb, but he needed a large cyclotron to conduct experiments to confirm this theory. Nobuji promised further funding. From O.K.M.: a) Kriegsmarinewerft Kiel facilities in Kiel, was sold on 1 July, forming a new company named Howaldtswerke Aktiengesellschaft Werft Kiel. From B.d.U.: a) "Milkcow" U 488 (Oblt.d.R. Erwin Bartke) has refueled U 634 (Oblt. Eberhard Dahlhaus) and U 257 (Kptlt. Heinz Rahe) on 1 July. Boat is sold out and returning. b) "Milkcow" U 462 (Oblt. Bruno Vowe): Bomb hit in the forecastle. No. 9 diving tank damaged, No. 3, 7 and 8 blown. Return passage off the Spanish coast. U 462 is escorted by U 160 (Oblt. Gerd von Pommer-Esche). c) From 6th July U 382 (Oblt. Leopold Koch) will refuel to capacity from "Milkcow" U 487 (Oblt.d.R. Helmut Metz) in CF 6882. d) U 154 (Oblt. Oskar-Heinz Kusch) reports: 0244 unsuccessful bombing attack on U 126 (Oblt. Siegfried Kietz; ex Bauer), contact lost. Independent passage from BF 4775. e) U 592 (Kptlt. Carl Borm) and U 341 (Oblt. Dietrich Epp) have been ordered to proceed in company through Biscay. U 592 will suggest a rendezvous. f) Our own aircraft sighted at 1100 one heavy and one light cruiser in BF 4847, course 320° (To be taken with a pinch of salt. Probably only destroyers). B-Dienst Report: a) Enemy reported sighting of U 180's group (IXD1; Fregkpt. Werner Musenberg), escorted by 2 destroyers on 1 July, were also sighted in BF 7620. b) Aircraft Carrier USS Yorktown (CV-10; Essex-class) completed repairs on 1 July, and began air operations out of Norfolk, Virginia, United States. c) Greek guerrillas were placed under direct operational control of Allied Middle Eastern Command. RST
KorvKpt.& Cmdr. U 115
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07-16-23, 10:08 AM
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#490 | |
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The Old Man
Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Allied terror bombings continue on German cities
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Saturday, 3 July 1943 - Indian Ocean - 1115 - Early Morning Dawn - 1200 - Qu.4967JA - Days Run: 193.6nm - ↗ (24h) Total: 10649.1nm (59tg 22h) - ↗ 10235.3nm (53tg 10h 15') - ↘ 413.8nm (6tg 11h 45') Course 87°; 437cbm (2.5cbm in 24h); Battery 91.4%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 9d 13h) 1216 - Sunrise. Weather and Sea unchanged. 1707 - Qu.5749JA - 2148 - Sundown. Weather and Sea unchanged. 2312 - Incoming Radio Reports: From O.K.W.: a) RAF Terror bombers conducted heavy night attacks on Cologne, causing heavy damages and high civilian casualties. b) Operation Citadelle, aimed at encircling and destroying Soviet forces in the Orel-Belgorod salient in Russia, has been postponed by 1 day due to heavy Russian air attacks on our staging areas. c) US Troops link-up with Australian Troops on New Guinea. Japanese bombers attacked supply dumps on Rendova, Solomon Islands, but failed to cause significant damage. To the north on New Georgia, troops of the 172nd Infantry Regiment of the US Army 43rd Division were landed on Zanana beach. RST
KorvKpt.& Cmdr. U 115
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07-17-23, 03:46 AM
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#491 | |
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The Old Man
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U 115 - First War Patrol (2nd leg) - New Monsoon Orders continued
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Sunday, 4 July 1943 - South of Madagascar - 0008 - ESE7/6, overcast, light haze, medium visibility, ~1000mb - 0700 - Qu.5856JA - Diving for torpedo maintenance and trial dive. 0705 - T=50. Beginning torpedo maintenance. 0758 - Tube V serviced (EtoFat/Pi39H). - Break until 0813 - 0905 - Tube VI serviced (EtoFat/Pi39H). 0910 - Beginning of Trial Dive acc. B.d.U. Standing Orders No.507 and No.308. 145rpm. 0948 - Boat is safe and secure at 2A-Meter. 0950 - Setting for T=20 with 96rpm. 1006 - Reception Depth. Battery 82.9%, Compressed Air Supply 300Atü(!), CO₂ 1.5%. Cmdr.: The L.I. reports that the malfunction of the Pressurized Air Gauge might stem from the Compressor itself. The investigation is ongoing. 1009 - S-Tiefe. 1010 - Qu.5864JA - Surfaced from S-Tiefe after 3h 10' and 9.0nm. Weather and Sea unchanged in 10h. 1017 - Boat ventilated. 2x235rpm/7-8kn. 1108 - Morning Dawn. 1200 - Qu.5866JA - Days Run: 172.8nm - ↗ 163.8nm (20h 50') -↘ 9.0nm (3h 10') Total: 10821.9nm (60tg 22h) - ↗ 10399.1nm (54tg 07h 05') - ↘ 422.8nm (6tg 14h 55')Course 87°; 436cbm (1cbm in 24h); Battery 82.9%; 2xEtoFat; 8xBold. ESE7/6, overcast, light haze, medium visibility, ~1000mb (Weather & Sea unchanged in 12h) 1209 - Sunrise. 2143 - Sundown. Weather and Sea unchanged in 22h. +++++++ Appendix to Communications Instructions Operations Order "Monsoon" Draft Standing War Order B. d. U. No. . . . . . . . . . . . . - Communications Directions - U-boat Wireless system India. I. General: 1. Purpose: The Indian wireless system is intended for wireless traffic between the Command and U-boat operating in the Indian Ocean. 2. Beginning and termination of the system: This will be ordered by the Command in a wireless message. (In exceptional circumstances by a sailing or operational order.) 3. Set-up of the system: a) The Indian system consists of 2 short waves and one very long wave. The same messages with the same serial number will be sent on both short and very long wave. b) The two parallel short waves will ensure favorable reception and transmission conditions for boats in all areas covered by this system. c) According to Order 200 paragraph 15, a special short wave transmission can be operated at program times as supplement to the very long wave program times. Boats operating on the Indian system may only use this short wave for the transmission of reports by special permission. d) The Indian system short waves occasionally available may be used as a transmission frequency by all boats at sea. II. Waves and Traffic times. 4. Shortwaves: a) India A Control . . . . . . . . . W/T name . . . . . . . . Checking reception . . . . . . . . . from . . . . to . . . . wave . . . . = . . . K/cs RST
KorvKpt.& Cmdr. U 115
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07-18-23, 08:00 AM
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#492 | |
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The Old Man
Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Operation Citadelle is launched
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Monday, 5 July 1943 - Northeast of Prince Edward Islands - 0050 - Qu.6742JA - Weather and Sea unchanged in 24h. 1100 - Morning Dawn. 1159 - Sunrise. 1200 - Qu.6819JA - Days Run: 186.0nm - ↗ 24h Total: 11007.9nm (61tg 22h) - ↗ 10585.1nm (55tg 07h 05') - ↘ 422.8nm (6tg 14h 55') Course 87°; 434cbm (2cbm in 24h); Battery 82.9%; 2xEtoFat; 8xBold. ESE7/6, overcast, light haze, medium visibility, ~1000mb (Weather & Sea unchanged in 36h) 1414 & 1417 - F.T. from Navy Attaché in Tokyo: To O.K.M.: Report on Op. of Japanese Uboats I-30 and I-8 in the Atlantic. 1545 - Qu.6829JA - 2135 - Sundown. Weather and Sea unchanged in 46h. 2312 - Incoming Radio Reports: O.K.W.-Report: a) On 4 July, Operation Citadelle (Battle of Kursk) was launched on a over 320-km long front, with the 9th Army advancing 10 km in the North and 4th Pz.-Army 40 km in the South. b) Naval battle in the Gulf of Kula, north of New Georgia, between US and Japanese Forces. The US Navy looses the Light Cruiser USS Helena (CL 50; Captain Charles Purcell Cecil), when she was hit by three torpedoes from Japanese warships. The US Navy claims that 8-9 Japanese ships have been sunk in this battle. From B.d.U.: a) U 271 (Oblt.d.R. Curt Barleben) has been ordered to return, with 34 cbm fuel, and will rendezvous with the damaged U 420 (Oblt. Hans-Jürgen Reese). U 667 (Kptlt. Heinrich-Andreas Schroeteler) will then be the only boat remaining in the N. Atlantic. b) U 230 (Kptlt. Paul Siegmann; I.W.O. Ltnt. Herbert A. Werner) and U 566 (Kptlt. Hans Hornkohl) sailed for mining operations Chesapeake and Norfolk* respectively. B-Dienst Report: a) Auxiliary Aircraft Carrier USS Card (CVE-11) arrived at Norfolk* Operating Base, Virginia. RST
KorvKpt.& Cmdr. U 115
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07-19-23, 02:39 PM
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#493 | |
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The Old Man
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U 115 - First War Patrol (2nd leg) - Op.-Order about fuel consumption renewed
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Tuesday, 6 July 1943 - Indian Ocean - - 9th week at sea completed - 0638 - Qu.4714JB - 1045 - Morning Dawn. 1149 - Sunrise. 1200 - Qu.6819JA - Days Run: 186.0nm - ↗ 24h Total: 11193.9nm (62tg 22h) - ↗ 10771.1nm (56tg 07h 05') - ↘ 422.8nm (6tg 14h 55') Course 87°; 432cbm (2cbm in 24h); Battery 82.9%; 2xEtoFat; 8xBold. ESE7/6, overcast, light haze, medium visibility, ~1000mb (Weather & Sea unchanged in 60h) 2127 - Qu.4822JB - Sundown. Weather and Sea unchanged in 70h. 2312 - Incoming Radio Reports: From O.K.W.: a) Report about progress of Operation Citadelle (Battle of Kursk). In the north of the Kursk salient, on Central Front, the Russians launched a counter-attack, throwing in three tank corps. But it foundered on former Soviet minefields which the our 9th Army had reinforced, and the Soviets instead took up fixed positions to act as a breakwater against a renewed German assault. In the South, the advance of our 4th Pz.-Army continued. From B.d.U.: a) U 181 (IXD2; KrvKpt. Wolfgang Lüth) is to have freedom of action S. of 16° S. and W. of 70° E. b) The following will supply from "Milkcow" U 487 , from 1000/9/7 in DF 6882: U 195 (IXD1; KrvKpt. Heinz Buchholz) for return passage at most economical speed., U 598, 406, 604, 662 and 591 35 cbm each and provisions for 7 days. c) All boats proceeding S. have again been reminded of the order for most economical fuel consumption outside the areas particularly endangered by aircraft. There is so little traffic in all the operational areas that the desired success can only be achieved after a long period in the operations area. Only few boats can supply on return passage owing to the shortage of tankers. d) At 0800/8/7 U 558 (Kptlt. Günther Krech) will hand over to U 455 (Kptlt. Hans-Martin Scheibe) in CG 5715 cipher memoranda Triton-M, Officers and General, for July and August. B-Dienst Report: a) US General Dwight D. Eisenhower arrived at Malta by B-17 aircraft. b) Aircraft Carrier USS Yorktown (CV-10; Essex-class) exited Chesapeake Bay, United States, on her way to the Pacific Ocean. RST
KorvKpt.& Cmdr. U 115
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08-27-23, 01:59 PM
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#494 | |
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The Old Man
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U 115 - First War Patrol (2nd leg) - Meeting with Merchant Raider "Michel"
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Wednesday, 7 July 1943 - North of Iles Crozet - 0823 - Qu.4689JB - Large Tanker 12858ts, bearing 309°, on course 253°, 17kn. No prior radar contact. Decision not to attack. Reasons: 1. Unfavourable sea state (6 medium swell); 2. Problems with compressor; 3. Unclear ship identification; 4. Only 2 EtoFat for devensive action remaining. Cmdr.: Torpedoing our own supply ship would be a fatal mistake! Passing tanker at distance of 3000m to our port beam on opposite course. 0839 - Outgoing F.T.: To B.d.U.: Tanker 12000ts in Qu.4689JB, 258°, 17kn. No attack due to sea state 6, unclear compressor and uncertain ship ID. 430cbm. 2 EtoFat. ESE7/6, overcast, light haze, visibility ~3.5nm, ~1000mb. Heading toward supply ship. - RST - 1030 - Morning Dawn. 1140 - Sunrise. 1200 - Qu.4699JB - Days Run: 185.8nm - ↗ 24h Total: 11379.7nm (63tg 22h) - ↗ 10956.9nm (57tg 07h 05') - ↘ 422.8nm (6tg 14h 55') Course 87°; 429cbm (3cbm in 24h); Battery 82.9%; 2xEtoFat; 8xBold. ESE7/6, overcast, light haze, visibility ~3.5nm, ~1000mb (Weather & Sea unchanged in 3d 12h) 1949 - Qu.5496JB - Radar contact bearing 0°, E=6000; Shadow ahead, stationary. 1954 - Vessel is identified as Merchant Raider IX "Michel" (Ship 28; Kapitän zur See Günther Gumprich). Giving Recognition Signal, answered and confirmed. Decision to attempt supplying at the Leeward side of Supply Ship. Water Depth 20m. Fuel hose connection done by crane. Supplying of provisions by rope connection. Charging batteries. Messages transferred by Supply Ship (see Annex II to KTB). 2124 - Sundown. 2305 - Setting in darkness - Provisioning completed. Leaving Supply Ship (for details of Supply refer to Annex I to KTB). RST
KorvKpt.& Cmdr. U 115
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08-28-23, 07:45 AM
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#495 | |
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The Old Man
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U 115 - First War Patrol (2nd leg) - Supply from Merchant Raider "Michel"
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Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ... +++++++ U 115- KTB - First War Patrol (17th war patrol overall) Wednesday, 7 July 1943 - North of Iles Crozet - Annex 1 S u p p l y : 1.) Meeting was good (including Recognition Signal exchange). 2.) Fuel oil transfer according to plan and smoothly (83 cbm taken on in 3h). 3.) Provisions transfer considerably complicated because in addition to inflatable boat as cargo boat only 1 small boat from the supplier as towing boat (Launch of the motorboat and torpedo loading not tried because of the poor sea state). Doctors visit done. 4.) Signal personnel at tanker at a strength of 1:1 was sufficient but is not enough for group supply. 5.) Beyond fuel and provisions the supplier was not fitted out for supply (hardly any spare parts etc., i.e., Repair of compressor not possible). 6.) The kindness of the supply ship Captain to the last crew member was exemplary. 7.) Supply was great for morale of own boat and for the raider crew. 8.) Weather and Sea conditions throughout were consistently poor with high winds, overcast and swell. RST
KorvKpt.& Cmdr. U 115
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