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National Interest on MSNThe U.S. Air Force's 'New' B-52J Bomber Has Rolls-Royce EnginesThe U.S. Air Force began testing these engines, chosen for their reliability and fuel efficiency, at NASA’s Stennis Space ...
Instead of retiring the B-52s, the US Air Force plans to keep ... Pratt & Whitney TF33 engines. The plan is to substitute them one-for-one with new Rolls-Royce F130 engines. The F130 or BR700 ...
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