Sikorsky Aircraft Corp., Stratford, Conn., was awarded on Feb. 24 a $22,710,077 firm-fixed-price contract.  The award will provide for the procurement of two UH-60M Black Hawk helicopters.  Work will be performed in Redstone Arsenal, Ala., with an estimated completion date of March 30, 2012.  One bid was solicited with one bid received.  The U.S. Army Contracting Command, Aviation & Missile Contracting Center, Redstone Arsenal, Ala., is the contracting activity (W58RGZ-08-C-0003).