Earth insertion LEM LM apogee attitude-control rocket ballistic capsule burn capsule debarkation deep-space ship disembarkation disembarkment docking maneuver dropping anchor ferry rocket fuel ship going ashore injection insertion landfall landing lunar excursion module lunar module manned rocket module moon ship mooring multistage rocket orbit parking orbit perigee reentry rocket shuttle rocket soft landing space capsule space docking space rocket spacecraft spaceship tying up