L-3 Communications Vertex Aerospace, LLC, Madison, Miss., received a firm-fixed-price modification of $6,260,514 for exercise of option periods one and two, providing an additional six months of lease services of four helicopters for pilot training in support of U.S. Special Operations Command, Air Force Special Operations Command, beginning on April 1, 2010, and ending Sept. 30, 2010. Work will be performed at Hurlburt Field, Fla. (Source: DoD, 03/30/10)