WASHINGTON (CNN) -- The U.S. Air Force on Friday announced one of the largest military acquisition programs in U.S. history, saying the service had chosen Northrop Grumman over Boeing to replace its aging air refueling tanker fleet. (SNIP) Boeing proposed a tanker based on its 767 commercial airliner, while Northrop -- working with Boeing arch-rival Airbus and its parent company, European Aeronautic Defense and Space Company (EADS) -- offered a model based on the Airbus A330 airliner, which is larger than the 767. (SNIP) But one lawmaker called the decision to award the contract to Northrop Grumman a blow to...