The Air Force today released a draft request for proposals that asks the industry teams bidding for the service's multibillion-dollar KC-X contract to provide the most details to date about the planes they will enter in the competition. The draft RFP for the effort to replace the service's KC-135 aerial tankers follows a request for information that was issued to industry in April, but "is more definitive" on a range of requirements the flying gas stations must meet, a senior...