war,world war2,history,armament,soldier,armed forces,airforces,navy,army,gun,fighter,bomber,battleship,submarine,carrier, google Ads Rabu, 16 September 2009 A-20 Havoc / P-70 DB-7 Boston A-20G of the USAAF Role Light bomber Night fighter Manufacturer Douglas Designed by Ed Heinemann First flight 23 January 1939 Introduced 10 January 1941 Primary users United States Army Air Forces Soviet Air Force Royal Air