Earth insertion
LEM
LM
apogee
attitude-control rocket
backset
backsliding
backward motion
backward step
ballistic capsule
burn
capsule
deep-space ship
docking
docking maneuver
ferry rocket
fuel ship
homecoming
injection
insertion
lapse
lunar excursion module
lunar module
manned rocket
module
moon ship
multistage rocket
orbit
parking orbit
perigee
reaction
recession
recidivation
recidivism
recursion
reentrance
refluence
reflux
regress
regression
relapse
remigration
retroaction
retrocession
retroflexion
retrogradation
retrogression
retrusion
return
rocket
intrie
wintry