So they can domestically produce a sub that a person cannot even stand up in and two crew members cannot even pass by each other inside it.
You certainly cannot hold a missile and a torpedo in that little thing let alone fire them simultaneously.
The US made subs in 1865 which were better than this.
Please read the comments in #80 again.
" A sub like this can carry more plastic-explosive than the power-boat that almost blew the Cole in-half."
We must think of everything in terms of their possible bomb potential. Things may appear to have one use and really be meant to be a container for explosive materials.