Some great discussion going on here, keep it up!
The link below is to testimony given by CO of USS Greeneville following that sub's collision with and sinking of a Japanese civilian ship. There are some interesting comments about TMA in here!
http://edition.cnn.com/SPECIALS/2001...ession3.5.html
and
http://www.cnn.com/SPECIALS/2001/sub...ession5.2.html
Also, if you haven't seen this before it's well worth the download:
http://www.haptonstahl.org/ppt/tma_files/frame.htm