So, like WWII submarines?
This fits for a very good find from reader Steve - it's all so Fullbore, I can't pick just one.
All the submarine reports Historic Naval Ship Association from S-11 to USS Diablo.
At the end of each war patrol of WW II, submarine commanders created a report on the patrol. These reports were used as the raw material to inform intelligence, improve tactics, evaluate commanders, etc. During WW II, over 1,550 patrol reports containing approximately 63,000 pages were generated. During the 1970s these were photographed and reproduced on microfilm to make them more easly accessible and easily reproduced (approx. 250 rolls). During 2008 a copy of this microfilm was scanned into digital format (110 GB), and in 2009 it was made available online here (14 GB).Treat yourself here. Oh, and if you find any of those terrible Politically Incorrect comments, please report them in comments. Sadly, I couldn't find any.
These war patrol reports were written during a deadly, bitterly fought war. Please note that there may be some references to enemy forces that may be offensive in today's context.