Campaigns History 40 World War, 1939-1945 34 History, Military 7 Soldiers 4 Atlantic Ocean 3 Battles 3 Germany 3 World war, 1939-1945 3 Armed Forces 2 Eastern Front 2 Foreign enlistment 2 Lighting war 2 Military art and science 2 Naval convoys 2 Naval operations 2 Naval operations, American 2 Personal narratives 2 Strategy 2 World War, 1914-1918 2 Africa, North 1 Aircraft carriers 1 Airplane racing 1 Airplanes, Military, Germany 1 Army 1 Artillery 1 Artillery operations, American 1 Artillerymen 1 Australia 1 Balkan Peninsula 1