plural of spacecraft bus

(aerospace) clearly defined or identified for spaceflight

(fiction) A skydive from outer space, usually an orbital drop or direct insertion from beyond orbit, complete with (re-)entry heating. / (astronautics, slang) A skydive that starts from orbit.

To perform a spacedive.

plural of spacedive

(astronautics slang, science fiction) A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant).

Alternative spelling of space bridge

flown on a spaceflight

plural of spacebridge

(military, space flight) A military unit involved with outer space and spaceflight.