spacesuits, spacewalk, compartment, spacecraft, extravehicular, orbiter, hatchway, cryostat, soyuz, usos, lunar module, spaceship, capsule, astronauts, hatch, thruster, orbit, flight engineer, decompression chamber, ballistic trajectory, cavern, lazarette, stowage, retrorockets, drogue parachute, taikonaut, dewar, companionway, lander, ablator, pod, bathysphere, wormhole, cryogenic, depressurise, weightlessness, teleporter, nozzle, toru, cosmonaut, icefall, cosmodrome, outer space, geosynchronous orbit, valve, hoistway, space capsule, handrail, condenser, passageway, sterilizer, carboy, spacemen, skylab, conning tower, elevator, mooring mast, airing cupboard, nitrogen tetroxide, bathyscaph, bivvy, dehumidifying, tube, worf, space shuttle, intake valve, shuttle, trapdoor, annulus, oxidiser, oxidizer, windlass, zero gravity, perilune, manway, liquid oxygen, combustor, lavatory, huygens, travelator, duct, encasement, ullage, blastoff, microgravity, latches, cage, midships, propulsion system, ammonia, hasp, antechamber, vestibules, annular, eyebolt, broom closet, toilet, thoracic duct, retroreflector, cofferdam, endosome, superheat, ramp, doorway, porthole, door, chamber, corral, hangar, storeroom, tank, bunker, dock, gangway, gate, pontoon, stairway, tent, turret, aisle

air lock