Related Clues:

• Expel
• Clean with a vengeance
• Terminate, at Cape Canaveral
• Prepare for surgery
• End abruptly
• Cancel the mission
• Scrub the mission
• Cut short, NASA-style
• Mission-stopping command
• Abort, as a mission
• Cancel a mission
• Wash the pots
• Nip in the bud
• Do a pre-op chore
• Scrub, NASA-style