The U.S. Air Force has awarded contracts to seven companies that will provide advanced adversary and close air support threat services. The contracts—worth up to $6.4 billion over the next five years—have gone to Air USA Inc., Airborne Tactical Advantage Co., Blue Air Training, Coastal Defense, Draken International, Tactical Air Support, and Top Aces Corp. Here is a look at the private fleets of aircraft from around the world that these companies will use to help alleviate the U.S. Air Force’s pilot shortage.