Answer: ABORT

AnswerCrossword Clue
ABORTScrub, to NASA
ABORTCall off the launch
ABORTDecide not to finish
ABORTKeep from ending normally
ABORTEnd abruptly
ABORTScrub the mission
ABORTCancel, as a liftoff
ABORTScratch, to NASA
ABORTScrub, NASA-style
ABORTCall off a launch
ABORTHalt a missile launch
ABORTNASA "Stop!"
ABORTMission-control order
ABORTScuttle, as a mission
ABORTStop, at Cape Canaveral
ABORTTerminate early
ABORTCall off, at Cape Canaveral
ABORTPull the plug on, at NASA
ABORTTerminate before completion
ABORTCall it quits early
abortto come to nothing
ABORTEnds prematurely
ABORTCut short
ABORTScrub a mission
ABORTEnd
ABORTWord shouted when trying to end a mission
ABORTMission-stopping command
ABORTCancel, at NASA
ABORTCancel a launch
ABORTCancel, as a mission
ABORTCancel the launch
ABORTTerminate prematurely
ABORTCancel
ABORTTerminate a launch
ABORTCall off, in NASA-speak
ABORTScrub, as a mission
ABORTEnd prematurely
ABORTScrub, as a space launch
ABORTCall off
ABORTScrub, at NASA