Dutra Dredging Company, Calif. was awarded a $19,869,500 firm-fixed-price contract for dredging in the Thimble Shoal Federal Navigation Channel and the Cape Henry Federal Navigation Channel, Norfolk Virginia. Army Corps of Engineers, Norfolk, Va., is the contracting activity. Austal USA LLC, Mobile, Ala., was awarded an $8,247,342 modification to previously awarded contract (N00024-11-C-2301) on Nov. 27, 2013, to exercise an option for littoral combat ship (LCS) core class services. The company will assess engineering and production challenges as well as evaluate the cost and schedule risks from affordability efforts to reduce LCS acquisition and lifecycle costs. Work will be performed in Mobile, Ala. (60 percent), and Pittsfield, Mass.