The Air Force is working with industry to develop alternatives to replace the 60-year-old B-52 bomber's engine and radar system, and expects to make a decision this summer about whether to issue a request for proposals. Air Force Global Strike Command Chief Lt. Gen. Stephen Wilson said following an April 21 Air Force Association event that while both modernization efforts are important to the platform, he'll have a better idea about how the command will prioritize them after the studies...