The Pentagon announced on Wednesday that it would reopen bidding on a $35 billion contract for midair refueling tankers, allowing Boeing to continue its effort to wrest the business from a partnership of Northrop Grumman and the European parent of its rival Airbus.
U.S. Air Force Defense Secretary Robert M. Gates said that the tanker contract, which was won by the partners Northrop and the European Aeronautic Defense and Space Company in February, would not be awarded until the Pentagon reviewed the rival bids again.