Marsrovers

1 clue
NASA's Spirit and Opportunity
Similar answers:
Alptopcovers
Andyourhangoverssmall
Appleturnovers
Arrangerovers
Artlovers
Basteoverseas
Bendoversdrawkcab
Bespinachlovers
Boohooverse
Catlovers
Clovers
Coffeeleftovers
Combovers
Comboverseas
Controversial
Controversially
Controversy
Covers
Coversallbases
Coverseverybase