The Boeing Co., Ridley Park, Pa., was awarded on March 1 a $13,582,919 firm-fixed-price contract.  The award will provide for infrared suppressor systems modification B-kits in support of the CH-47F program.  Work will be performed in Ridley Park, Penn., with an estimated completion date of May 31, 2013.  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).