blow the tanks
to empty the ballast tanks by filling them with compressed air.boomer
a ballistic missile submarine.bridge
the conning tower, specifically where the periscope is located.cavitation
the noise produced by bubbles formed by propellor action, a crucial factor in detecting submerged submarines.chicken of the sea
slang for a ballistic missile submarine whose main objective is to stay hidden from the enemy.clear datum
to leave an area where a submarine has been detected or has given its position away.conning tower
the tower or superstructure, now called the sail, that contains the bridge and the periscope.control room
the room containing the control panels for diving, planning, steering, and other movements.crush depth
the deepest depth a submarine can go before being crushed by pressure.datum
the point where a submarine has been detected or has given its location away.depth charge
a bomb dropped from a ship to explode at a certain depth or on contact with the submarine.draft
the depth of water required for a submarine to float.fairwater
more common term for the conning tower.fish
slang for a torpedo.fleet ballistic missile submarine
a nuclear-powered submarine designed to deliver ballistic missile attacks from submerged or surface positions.hangar
a missile tube.helm
the control area where the submarine is steered.helmsman
one who steers the vessel.hydrophone
a submersible microphone used to detect sounds from ships or submarines.hydroplanes
horizontal rudders or fins located fore and aft that swivel to deflect water flow around the hull to lift or drop the nose, used to ascend or descend. Also known as planes.lifeguard submarine
a submarine used in rescue operations in enemy territory.mess
the crew meal room.periscope
the viewing apparatus that is raised surreptitiously above the surface of the ocean to observe enemy craft or terrain.ping
the sound made by an active sonar system.ping jockey
slang for a sonar operator, after the sound a sonar system makes.planesman
crew member who operates the hydroplanes.powerplant
a diesel-electric or nuclear-drive motor.reactor
a nuclear reactor in nuclear submarines.rudder
the adjustable plane used to steer the submarine.sail
a conning tower. Also known as a fin.sail plane
a fin located on either side of the conning tower.screws
the propellors.scrubber
a system that clears carbon dioxide out of the air.snorkel
air-intake and exhaust pipes in diesel-electric submarines. Also known as a snort.snorkeling
moving just below the surface with the snorkel raised above the surface for taking in and expelling air.sonar
acronym for sound navigation ranging, a system that transmits and receives reflected sound waves to detect submarines and submerged objects.sonobuoy
a sonar device used to detect submerged submarines, which, when activated, relays information by radio.SOSUS
sound surveillance system; a system of listening hydrophones on the seabed linked to stations on shore.submarine havens
specified sea areas for submarines in noncombat operations. Also known as submarine sanctuaries.Subroc
a submerged, submarine-launched, surface- to-surface rocket with nuclear depth charge or homing torpedo, primarily intended for use against other submarines.torpedo
an underwater missile ejected from a tube in the submarine by compressed air; it is propelled to its target by two propellers powered by an electric motor.torpedo defense net
a net employed to close an inner harbor to torpedoes fired from seaward or to protect a ship at anchor or underway.Trident
a nuclear-powered submarine armed with long-range Trident ballistic missiles.U-boat
submarine, especially a German one.wolfpack
a group of submarines working together in a line to destroy enemy vessels.world war ii slang
NOTE: Some terms in this section are pejorative
Army
ack-ack
machine gun or antiaircraft gun.archies
antiaircraft guns.armored cow
canned milk.army banjo shovel.
Aussies
soldiers from Australia.AWOL
absent without leave. Also, a wolf on the loose, or after women or liquor.baby food cereal.
barker
a large artillery gun.battery acid coffee.
beans
nickname for a commissary officer.bear grease
general-issue soap.big boot
general.blackout
coffee.blackstrap coffee.
blanket drill sleep.
blitz
a bombing.blow it out of your bag shut up.
B-19
a fat woman.