Clearly you haven't heard about EATR https://en.m.wikipedia.org/wiki/Energetically_Autonomous_Tactical_Robot https://en.m.wikipedia.org/wiki/Energetically_Auto

Clearly you haven't heard about EATR https://en.m.wikipedia.org/wiki/Energetically_Autonomous_Tactical_Robot https://en.m.wikipedia.org/wiki/Energetically_Autonomous_Tac...