Related Clues:

• Silo occupant
• Cold war threat
• Weapon in a silo, for short
• Moon of Saturn
• Hyperion, for one
• Tennessee athlete
• Part of a nuclear arsenal, for short
• Mythical giant
• Powerful person
• S.D.I. concern
• Colossus
• Two-stage missile
• Shoot up
• Zoom
• Saturn satellite