The “Fat Man” atomic bomb is dropped on Nagasaki, Japan, from the B-29 Bockscar, commanded by AAF Maj. Charles W. Sweeney.
The Air Force has embraced new technical approaches like open mission systems and rapid software updates for cutting-edge aircraft like the B-21 and Collaborative Combat Aircraft. Increasingly, though, the service is also working to apply these to its older, “legacy” aircraft, officials said this week.