The Navy has released a request for proposals for design, development and fabrication of the Large Displacement Unmanned Undersea Vehicle. The LDUUV, also known as Snakehead , is a "long-endurance, multimission UUV, deployed from submarine large open interfaces, with the capability to deploy reconfigurable payloads," the service said in a Dec. 23 press release. The Navy is planning to award a contract to a sole vendor for fabrication of two prototype vehicles in fiscal year 2021. The program has...