Navy issues RFP for Snakehead underwater drone Written by Marine Log Staff The Navy’s Program Executive Office Unmanned and Small Combatants (PEO USC) reports that the Navy has released a request for proposals (RFP) on for the design, development, and fabrication of the Large Displacement Unmanned Undersea Vehicle (LDUUV) program, also known as Snakehead. It will be the largest underwater drone that Navy submarines can deploy. With this solicitation, says PEO USC, the government plans to competitively award a contract to a single vendor for fabrication of two prototype vehicles in fiscal year (FY) 2021. Proposals are expected in early 2021.