Vietnam War, 1961-1975 27 HISTORY 26 Military 19 Vietnam War 19 Guerre du Viêt-nam, 1961-1975 13 BIOGRAPHY & AUTOBIOGRAPHY 9 Historical 8 History 8 Vietnamkrieg 8 Armed Forces 7 Campaigns 6 Military campaigns 6 Aerial operations, American 5 American 5 Military operations, Aerial 5 Officers 5 Hélicoptères militaires 4 Histoire 4 Indochinese War, 1946-1954 4 Military helicopters 4 Opérations aériennes américaines 4 Prisoners and prisons, North Vietnamese 4 Prisoners of war 4 Prisonniers de guerre 4 Prisonniers et prisons des Nord-Vietnamiens 4 An Loc, Battle of, An Lộc, Vietnam, 1972 3 Histoire des unités 3 Regimental histories 3 Women 3 Anciens combattants 2