Regimental histories Campaigns 21 World War, 1939-1945 19 History 15 Aerial operations, American 5 Korean War, 1950-1953 4 World War, 1914-1918 4 Soldiers 3 Vietnam War, 1961-1975 3 Fighter pilots 2 Naval operations, American 2 Officers 2 Transportation 2 An Loc, Battle of, An Lộc, Vietnam, 1972 1 Armed Forces 1 Belleau Wood, Battle of, France, 1918 1 Cargo ships 1 Chaplains 1 Chipyong-ni, Battle of, Chipʻyŏng-ni, Korea, 1951 1 Colonial forces 1 Combat sustainability 1 Easter Offensive, 1972 1 Engineering and construction 1 Family relationships 1 History, Military 1 Hürtgen Forest, Battle of, Germany, 1944 1 Iwo Jima, Battle of, Japan, 1945 1 Japanese Americans 1 Love-letters 1 Medical care 1