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A 1972 bilateral arms control treaty, for short, 3 letters
A pinch of SALT, briefly?, 3 letters
Aerial defense weapon, for short, 3 letters
Defense device: Abbr., 3 letters
Defense item: Abbr., 3 letters
Defense rocket (abbr.), 3 letters
Defensive weapon cov-ered by SALT, 3 letters
Defensive weapon, for short, 3 letters
Guided projectile defense: abbr., 3 letters
Gulf War Patriot, e.g., 3 letters
Gulf War Patriot, for short, 3 letters
Gulf war's Patriot, for one: Abbr., 3 letters
Israel's Arrow, for one, 3 letters
Modern weapon, for short, 3 letters
Nixon-Brezhnev treaty subj., 3 letters
Part of the US arsenal, 3 letters
Patriot, e.g.: Abbr., 3 letters
Rocket interceptor, briefly, 3 letters
Rocket interceptor, for short, 3 letters
Rocket interceptor, initially, 3 letters
Rocket killer (abbr.), 3 letters
Rocket killer, briefly, 3 letters
SALT discussion item, 3 letters
SALT treaty subject, 3 letters
Scud downer, briefly, 3 letters
Star Wars weapon (abbr.), 3 letters
Subj. of a 1972 treaty, 3 letters
Subj. of a 1972 USA-USSR treaty, 3 letters
Wartime Patriot, for short, 3 letters
A defensive missile designed to shoot down incoming intercontinental ballistic missiles, 3 letters
Electrical conductance unit, 5 letters
Unit of conductance, 5 letters
Aerial defense weapons, for short, 4 letters
Airborne defenses, for short, 4 letters
Contents of some silos, briefly, 4 letters
Contents of some silos: Abbr., 4 letters
Defense means, briefly, 4 letters
Defense weapons: Abbr., 4 letters
Defensive weapons: abbr., 4 letters
Means of defense: Abbr., 4 letters
Mil. defense systems, 4 letters
Patriots, e.g.: Abbr., 4 letters
Rocket interceptors, briefly, 4 letters
Rocket interceptors, for short, 4 letters
Scud destroyers (Abbr.), 4 letters
Silo contents: Abbr., 4 letters
Some military defenses: Abbr., 4 letters
Subjects of a '72 agreement between the U.S. and the U.S.S.R., 4 letters
Subjs. of some nuclear treaties, 4 letters
U.S. Safeguard Program features, 4 letters
The U.S. signed it in 1972 and withdrew from it in 2002, 4 letters