Here are the possible solutions for lunar landing prelude clue
Answer
Clue
Relevancy
orbit
Clue
Lunar landing prelude
Definition
to revolve around
retrorocket
Clue
Lunar landing aid
It's used in a lunar landing
Definition
a rocket whose function is to slow down, fired in a direction opposite to that in which a body, e.g. a spacecraft or an artificial satellite, is travelling
