Equipment and supplies World War, 1939-1945 History 21 Equipment 7 Airplanes, Military 5 Military weapons 5 Armed Forces 4 Fighter planes 4 Pictorial works 4 Uniforms 4 Pistols 3 Weapons systems 3 Aerial operations, American 2 Artillery 2 Fighter plane combat 2 Firearms 2 Grenades 2 Infantry 2 Insignia 2 Military uniforms 2 Ordnance and ordnance stores 2 Personal narratives, American 2 Rifles 2 20th century 1 Air power 1 Allied Forces 1 Biography 1 Campaigns 1 Catalog 1 Catalogs 1