Related Clues:

• ''Endeavour'' org.
• Rocket launching agcy.
• Columbia's org.
• Magellan org.
• Out-to-launch group
• Discovery maker
• Canaveral org.
• Voyager launcher
• Astronauts' org.
• ''Atlantis'' org.
• Rover's owner
• John Glenn's org.
• New Horizons launcher
• Canadarm user, abbr.
• Org. with frequent launchings