P 38 having it's gun tested.No place or date mentioned.
taken from fb/History of WW2

P 38 gun alignment

A picture of USAAF ace Richard Ira Bong, when he was bringing his wife Marge fly with his P-38...
taken from fb/WW2 History
Richard Ira Bong (September 24, 1920 – August 6, 1945) was a United States Army Air Forces major and Medal of Honor recipient in World War II. He was one of the most decorated American fighter pilots and the country's top flying ace in the war, credited with shooting down 40 Japanese aircraft, all with the Lockheed P-38 Lightning fighter. He died in California while testing a Lockheed P-80 jet fighter shortly before the war ended. 
taken from wiki:https://en.wikipedia.org/wiki/Richard_Bong

Ira 

US soldiers watching a B-29 Superfortress taking off from Saipan, Mariana Islands; December 1944. 