On December 23, 2020, the US Navy issued a request for proposals (RFP) for the development of the largest type of underwater drone the Navy can deploy, the Eurasian Times reports. Named “Snakehead,” this type of Large Displacement Unmanned Underwater Vehicle (LDUUV) will be launched from nuclear submarines to conduct electronic warfare (EW) as well as carry out intelligence, surveillance, and anti-mine missions.