Sikorsky Aircraft Corp., Stratford, Conn., was awarded a $22,711,777 firm-fixed-price contract.  The award will provide for the procurement of two UH-60M aircraft for the Air Force.  Work will be performed in Stratford, Conn., with an estimated completion date of Feb. 28, 2013.  One bid was solicited, with one bid received.  The U.S. Army Contracting Command, Redstone Arsenal, Ala., is the contracting activity (W58RGZ-08-C-0003).