The most recent development with continued B-52 improvement pertains to the well-known re-engining effort for the aircraft. For many years, the Air Force has been working with Boeing and Rolls-Royce ...
Rolls-Royce intends by 2028 to be running two versions of its UltraFan demonstrator engine – one for widebodies and the other for single-aisles – with flight tests to follow by the end of the decade.
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