Textron Systems Wins $34.4M Unmanned Influence Sweep System USV Contract Our Bureau 2396 Unmanned Influence Sweep System (UISS) The U.S. Navy has awarded Textron Systems $34.4 million to support for the Unmanned Influence Sweep System (UISS) Unmanned Surface Vehicle program. Designed for the littoral combat ship (LCS) as part of the mine countermeasures mission package, the UISS consists of a mine countermeasures unmanned surface vehicle (USV) and a towed minesweeping payload for influence sweeping of magnetic, acoustic and magnetic/acoustic combination mine types. UISS can also be launched from vessels of opportunity or from shore. Work for this contract is expected to be completed by March 2022.