The US Air Force is upgrading its B-52H Stratofortress fleet through the Commercial Engine Replacement Program (CERP), ...

The Air Force planned the B-52’s demise again in the mid- 1950s, after Boeing had built about 450 ... In addition to looking at new engines, the Air Force is studying long-range hypersonic ...

B-52s to fly until at least 2050 with new engines for improved fuel economy and range. B-52 to outlive B-1 and B ... Gulfstreams, Boeing 717s, and the upcoming Dassault Falcon 10X.