Shipwrecks? GWX or SHIII?
 

Just noticed there's a semi-sunk shipwreck in the middle of the strait of dover. She's a small merchant, I think, with her masts and the top of her superstructure just barely poking out the top. I was wondering if this was innate to SHIII or if GWX had added this model. And in either case, what for? Was there a sinking there, or is it just there because it's a place that sees a lot of traffic and therefor is more likely to be seen by people? xD

Partially sunken ships were created and intentionally added by the GWX Dev Team in many places (in shallow water) such as where 'block ships' were sunk at Scapa Flow to prevent access by submarine. You can easily recognize them as they are rusty, generally leaning to one side, and have rather large holes in them.

You will see them in greater numbers at your ports of departure as the war progresses, representing increasing damage by bombing of those ports.