United Technologies Corp., doing business as Pratt & Whitney Aftermarket Services Inc., San Antonio, Texas, has been awarded a $33,884,559 modification for the first option to previously awarded contract FA8121-10-D-0008 to remanufacture F-100-PW-100/200/220/220E/229 engine modules.  Work will be performed at San Antonio, Texas, and is expected to be completed by April 22, 2014.  This contract is 100 percent foreign military sales for Chile, Egypt, Jordan, Thailand, Taiwan, Greece and Indonesia.  No funds are being obligated at time of award. Air Force Systems Center, Tinker Air Force Base, Okla., is the contracting activity.