An American P-39D (Airacobra) fighter plane of the 35th Fighter Squadron,  8th Fighter Group, 5th Air Force is being readied for combat mission against the Japanese; Port Moresby, New Guinea.

Wartime in the tropics

8th Air Force airfield defense: Browning .50 caliber M2 (water-cooled) AA gun at a field in England during 1943.
taken from fb/T.Laemlein/WW2Axis&Allieslounge

Defense

 B-17 Flying Fortress (MS-O, serial number 42-3177) nicknamed "The Hellion", of the 535th Bomb Squadron, 381st Bomb Group flies over the countryside.