submarining
sub
auxiliary research submarine
sub tender
silent service
U-boat
X-craft
bubble-head
attack submarine
milch cow
dinette
anti-submarine rocket
submariner
nautilus
nuclear-powered submarine
shipbuilding
breakwater
ship building
nuclear submarine
hunter-killer
autosub
fin
sail
minisubmarine
shipwork
supersub
conning tower
surface ship
multichine
hydronautics
submarine torpedo
crash dive
saddletank
submarine
design depth
soucoupe
outfitting
pigboat
scrieve
ship of the line
airship tender
man-of-war
torpedo-boat destroyer
submersible
battlecruiser
Naval Underwater Warfare Center
ways
shipway
naval equipment
dockyard