General Electric Engine Services, Inc., Cincinnati, Ohio, was awarded on April 30, 2010 a $9,196,000 firm-fixed-price contract for the overhaul and upgrade of 20 Y700-GE-701C turbine engines to the T700-GE-701D configuration applicable to the UH-60 Blackhawk and AH-64 Apache helicopters. The National Stock Numbers are 2840-01-284-4011 and 2840-01-503-1701. Work is to be performed in Arkansas City, Kan., with an estimated completion date of Sept. 30, 2011. Three bids were solicited with three bids received. U.S. Army Contracting Command, CCAM-AL-M, Redstone Arsenal, Ala., is the contracting activity (W58RGZ-08-D-0226)