Related Clues:

• Call off, at Cape Canaveral
• Scrub a NASA mission
• Cancel liftoff
• Scrub, at NASA
• Get ready for surgery
• Third-stringer, say
• Call off suddenly
• Call off, at Canaveral
• Scrub, at Cape Canaveral
• Use elbow grease
• Clean using elbow grease
• Scrub the launch
• Subject to friction
• Withdraw, as from a mission
• Scuttle, as a mission