Answer: tranquilitybase

AnswerCrossword Clue
TRANQUILITYBASELanding site of 7-20-1969
TRANQUILITYBASENASA lunar outpost
TRANQUILITYBASEEagle touchdown site
TRANQUILITYBASE". . . one small step . . ." site
TRANQUILITYBASEFamous landing site
TRANQUILITYBASEEagle's place