Mine Countermeasure (MCM) sets to be unmanned and autonomous By GlobalData 17 May 2021 (Last Updated May 17th, 2021 16:31) Sea mines are one of the cheapest and most dangerous threats for naval forces; a reality experienced in both World Wars and the Korean War. In order to mitigate the impacts and risks of sea mines on naval operations, advanced navies have been increasing their investments in autonomous MCM capabilities for two decades. Credit: Crown copyright. Share Article Sea mines are one of the cheapest and most dangerous threats for naval forces; a reality experienced in both World Wars and the Korean War. In order to mitigate the impacts and risks of sea mines on naval operations, advanced navies have been increasing their investments in autonomous MCM capabilities for two decades. For instance, the US Navy has launched the LCS MM Program comprising 48 USVs procured for both Unmanned Mine Sweeping (UMS) and Remote Mine hunting (RMH) modules to perform mine-hunting missions.