Talk:Abyssal Target/@comment-37387872-20181227033934

Trivia: as I recall, "Target A" was the, or one of the, IJN's semi-official designations of the first midget subs, to keep their development hidden from foreign powers. The name was supposed to let any attempts at espionage assume the item in question was not a fully functional submarine, but just a practice target.

A nice historical reference here!