6 billion effort is called the Commercial Engine Replacement Plan. The Air Force expects the first test B-52J will start ground and flight tests in late 2028, and for more B-52s to receive new engines throughout the 2030s. USAF B-52H Stratofortress TF33 turbofan engines The 8 engines with the https://b5256654.blogitright.com/30054535/not-known-factual-statements-about-b52