1914-1918 1939-1945 1946-1954 1950-1953 1961-1975 2001- 2003-2011 20thcentury 3rd afghanwar appropriationsandexpenditures armedforces armoredtroops bodyarmor campaigns casualties detection drillandtactics ds eastern equipment equipmentandsupplies europe evaluation germany history improvisedexplosivedevices indochinesewar iraq iraqwar israel korea koreanwar m1(tank) management mechanization military militaryplanning ordnanceandordnancestores pacificarea pictorialworks prevention procurement protection purchasing russia safetymeasures securitymeasures soldiers sovietunion strykerbrigadecombatteams systemsengineering t-35(tank) tanks(militaryscience) tankwarfare technologicalinnovations testing transportation unitedstates vehicles vietnamwar weaponssystems worldwar