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Subject
- Vietnam War, 1961-197523
- Missing in action14
- Prisoners of war12
- Vietnam War (1961-1975)12
- History10
- Foreign relations8
- Aerial operations, American6
- United States. Central Intelligence Agency5
- Air America3
- Civilians and noncombatants3
- Foreign policy3
- International relations3
- Legislative amendments3
- Prisoners and prisons3
- Prisoners and prisons, North Vietnamese3
- Search and rescue operations3
- United States. Air Force3
- Civil Air Transport2
- Claims2
- Executive power2