Related Clues:

• Out-to-launch group
• Discovery maker
• Canaveral org.
• Voyager launcher
• Astronauts' org.
• ''Atlantis'' org.
• Rover's owner
• John Glenn's org.
• Smart set?
• New Horizons launcher
• Canadarm user, abbr.
• Org. with frequent launchings
• Launch pad gp.
• Astronaut agcy.
• Booster grp.?