CIMSEC – The concept of operations proposed is to marry various size unmanned surface, subsurface and aerial unmanned vehicles to perform missions that the U.S. Navy has—and will continue to have—as the Navy-After-Next evolves. Simply put, the Navy can use the evolving large, unmanned surface vehicle as a “truck” to move smaller USVs, UUVs and UAVs into the battle space in the contested littoral and expeditionary environment.