Vietnam War, 1961-1975 Veterans 9 History 7 Campaigns 6 Aerial operations, American 5 Prisoners and prisons, North Vietnamese 5 Prisoners of war 5 Literature and the war 4 Soldiers 4 Commando operations 3 History and criticism 3 Military helicopters 3 Officers 3 Psychological aspects 3 American literature 2 An Loc, Battle of, An Lộc, Vietnam, 1972 2 Combat 2 Description and travel 2 Generals 2 Influence 2 Korean War, 1950-1953 2 Marines 2 Medical care 2 Parachute troops 2 Participation, Indian 2 Personal narratives, American 2 Reconnaissance operations, American 2 Regimental histories 2 Social aspects 2 Soldiers' writings, American 2