Related Clues:

• Silo filler, for short
• Gulf War Patriot, e.g.
• SALT subj.
• Titan II, e.g.
• A WMD
• SALT concern
• Missile abbr.
• SDI concern
• Cold-war weapon: Abbr.
• Missile, initially
• Cold War weapon (Abbr.)
• START I treaty subj.
• Atlas, for one
• Weapon in a silo
• Missile, briefly