WASHINGTON, June 23 -- The U.S. Department of Justice issued the following news release: Sikorsky Support Services Inc. (SSSI), a Delaware corporation headquartered in Stratford, Connecticut, and Derco Aerospace Inc. (Derco), a Wisconsin corporation headquartered in Milwaukee, Wisconsin, have agreed to pay $70 million to resolve False Claims Act allegations that they overcharged the Navy for spare parts and materials needed to repair and maintain the primary aircraft used to train naval aviator  more