The U.S. Air Force awarded a contract to Pratt & Whitney in August 1980 for the purchase of F100 jet engines to be installed in F-15 and F-16 jet fighters. The contract called for Pratt & Whitney to deliver 514 F100 engines, plus components and services, to the U.S. Air Force and several North Atlantic Treaty Organization (NATO) and middle eastern allies. What was the value of this contract?