USA, Aug. 23, 2009 (Info-Prod Research) -- August 23, 2009According to DOD: Terex Corp. (NYSE:TEX) , Stafford, Va., is being awarded a $6,639,235 modification to a previously awarded firm-fixed-priced contract (N68335-06-C-0459) to exercise an option for 20 Heavy Maintenance Crane production units in support of the AV-8, C-130, CH-53, V-22, and H-46 aircrafts. Work will be performed in Waverly, Iowa, and is expected to be completed in October 2011. Contract funds will not expire at the end of the current fiscal year. The Naval Air Warfare Center Aircraft Division, Lakehurst, N.J., is the contracting activity.