The Air Force has yet to solidify a plan to upgrade or replace the B-52 engine, but engine-maker Rolls-Royce told reporters this week the company's BR725 jet engine may be a contender for an eventual competition. The service has issued a number of requests for information over the last two years, seeking input from companies about engine technologies that may meet its requirements for upgrading the B-52's workhorse TF33 engine, made by Pratt & Whitney. The service plans to keep...
