submarine, bathyscaph, drogue chute, remus, sonar, hydrophone, bathyscaphe, echo sounder, torpedos, ballistic trajectory, warship, lazarette, lunar excursion module, breeches buoy, submersible, propellent, divers, gradiometer, inertial guidance, dirigible, spacecraft, helicopter, minelayer, conning tower, airlocks, kamchatka peninsula, navy, lunar module, frogman, hydrofoils, underwater, degaussing, toru, drogue, hovercraft, satellites, dropsonde, periscope, hypervelocity, gun emplacement, minesweeping, interceptor, retroreflector, towline, cqd, thermobaric bomb, inertial navigation system, ships, cargo ships, telegraph wire, reconnaissance, surfboat, propellor, seafloor, telemeter, antiballistic missile, naval, counterfire, bathysphere, alvei, pararescue, aircraft carrier, aerostats, snailfish, vessels, drogue parachute, macartney, amphibious, karabiner, trireme, pitot tube, pilotless aircraft, seabed, helo, crewmen, awacs, cruise missile, gimbals, spectrographic, chelyuskin, manpad, rock outcrop, sidewheel, airship, tatar strait, radome, elint, manoeuver, gyrocompass, novaya zemlya, bombers, uss cole, destroyer escort, helldiver, archerfish, decompression chamber, davits, jet propulsion, rover, vtol, radars, lanternfish

submersible