Answer: blastoff

AnswerCrossword Clue
BLASTOFF

NASA mission start

BLASTOFF

Head for the space station

BLASTOFF

Leave on a mission for NASA

BLASTOFF
One follower?
BLASTOFF
Rocket launch
BLASTOFFJet-rocket start.
BLASTOFFSpace Cadet's command.
BLASTOFFTerm in rocketry.
BLASTOFFA kind of leave-taking.
BLASTOFFCape activity.
BLASTOFFCape Kennedy caper
BLASTOFFStart of a rocket's journey
BLASTOFFEnd of a countdown
BLASTOFFRocket launching
BLASTOFFLeave the pad
BLASTOFFLeave earth?
BLASTOFFLeave the pad, say
BLASTOFFLeave the launchpad
BLASTOFFBash a bug repellent brand?