Watch video tutorials. I would recommend FPSchazlys because of the beginner level. For more advanced stuff watch others.
FPSchazly Everything Dangerous Waters
https://www.youtube.com/c/FPSchazly1/playlists
Read manual and :
- Landlubbers Survival Guide for Dangerous Waters, v0.6
- OneShot's P-3C "Orion" Dangerous Waters OWTOP Version 1.3
- MaHuJa's tactics guide for the FFG-7
- Kapitan's Russian Sub Guide 06
- Kapitan's Guide to Under-ice Ops
- TopTorp's Target Motion Analysis (TMA) Guide
- TimmyG00's Tactical Manual
- Seawolves 'Blue Book' of Tactics
all found at
http://www.subguru.com/downloads.html
while it lasts!
This is what I am going to do soon!