https://www.flightglobal.com/news/ar...gining-444327/
“A new US Air Force document released last week outlines the details, timeline and likely competitors for a plan to acquire at least 608 new turbofan engines to replace the eight Pratt & Whitney TF33s on each of 76 Boeing B-52H bombers in the US Air Force fleet........
The new engines must not alter the aircraft’s take-off performance and the weapon release envelope, the document says.“.....