The Boeing Co., Ridley Park, Pa., was awarded a $9,611,350 cost-plus-fixed-fee contract.  The award will provide for the addition of a rotor brake system on the Australian Defense Force CH-47 aircraft.  Work will be performed in Ridley Park, Pa., with an estimated completion date of April 30, 2015.  One bid was solicited, with one bid received.  The U.S. Army Contracting Command, Redstone Arsenal, Ala., is the contracting activity (W58RGZ-04-G-0023).