China is working on a submarine tank that can operate underwater for 2 hours
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A Chinese research team has proposed four types of equipment that could rapidly switch between wartime environments, including operating deep under water for long periods, as multi-domain combat is set to develop in the coming decades. The “heterogeneous” equipment is designed to exceed conventional armoured vehicles by rapidly reconfiguring physical modules and functions within seconds for missions across land, water, air and electromagnetic contest grounds, according to the scientists.