It depends. Most military subs are not equipped to do that. The whole point of a military sub is stealth. Stealth is not as easily if youhave extra components attached to the sub. Also as a rule military subs can not dive as deep as research subs. PlusMission time cost and typical military sub areas of operation are not reallyareas where you would WANT to take pictures. Now certain subs owned BY the military are designed for research deepexploration. The most famous one was NR1 httpsen.wikipedia.orgwikiAm... This baby was built to do research recover reconnaissance undersea wiretaps... you name it