The B-52 Stratofortress bomber came into service in 1952 and is still flying. President Trump stated “your grandfather’ may have flown the plane. This was factually true as there is at least one family with three generations of B-52 crew members. The Air Force currently flies the B-52H model and the planes are older than the aircrews. The possible re-engine of the planes is being evaluated and with over a 50 year combat experience to draw from, the design needs are well vetted for a re-engine modernization program.

B-52 Bomber – Old Dog Of The Air Force – Episode 1: Why America’s Enemies Still Fear the B-52 Bomber?
2017
The B-52 Stratofortress first flew in 1952 and ended its production run in 1962, so the 76 B-52Hs in Air Force service are older than nearly anyone flying…

B-52 Bomber – Old Dog Of The Air Force – Episode 2: Rolls-Royce Offers Engine For B-52 Bombers
2017
Rolls-Royce has a pitch for the U.S. Air Force: Pick the BR725 — a variant of the F130 that powers the E-11 and C-37 aircraft — to replace the B-52’s…

B-52 Bomber – Old Dog Of The Air Force – Episode 3: Old Dog, New Engine
2017
It seems that the USAF cannot get through a year without being inundated with calls to replace the engines on the B-52.