1939-1945 aerialoperations airplanes armedforces armoredtroops aviation camouflage china decoration designandconstruction equipmentandsupplies fighterplanes finnish firearms forensicballistics germany history identification insignia military phantomii(jetfighterplane) pictorialworks regimentalhistories tanks(militaryscience) tankwarfare unitedstates worldwar worldwar(1939-1945)