The Boeing Co., Ridley Park, Pa., was awarded an $81,107,666 firm-fixed-price contract.  The award will provide for the modification of an existing contract to procure CH-47F aircraft in support of foreign military sales.  Work will be performed in Ridley Park, Pa., with an estimated completion date of June 15, 2015.  The bid was solicited through the Internet, with one bid received.  U.S. Army Contracting Command, Redstone Arsenal, Ala., is the contracting activity (W58RGZ-12-C-0010).