Pyongyang Air Base also known as Heijo Airfield or Pyongyang Air Base was a former Imperial Japanese Army Air Service, Korean People's Air Force and United States Air Force air base adjacent to the Taedong River in Pyongyang, North Korea. It was redeveloped after the Korean War as a Government and residential area.HistoryThe air base was originally developed during the Japanese Imperial period. The base was home to a Showa aircraft plant and the 6th Air Regiment and the Imperial Japanese Army's Heijo Arsenal with Nambu, which manufactured hand and long infantry weaponsKorean WarThe Showa aircraft factory and air section of the arsenal were believed to be the center of North Korea's aircraft maintenance and supply system.On the afternoon of 29 June 1950, 18 B-26s of the 3rd Bombardment Group attacked Pyongyang Air Base, arriving at dusk they bombed the hangar line, ramps and revetments, destroying an estimated 25 aircraft on the ground. Only one KPAF Yak-3 fighter got airborne to oppose the attack and it was shot down by a B-26 gunner.