There is a need for affordable, low signature ocean OBSERVATION & small load CARGO / ENERGY delivery/storage everywhere. This was echoed in the U.S. Marine Corps 38th Commandant’s Planning Guidance, 2019, which stated: “…calls for extensive use of ‘Stand In’ capabilities – autonomy, low to no signature and mobility…an [uncrewed], silent, low cost, near invisible platform that relies solely on alternative power and allows for indefinite operation.”