She was christened 7 April 2016 in Portland, Oregon.She was built by Vigor Industrial. The 132ft-long (40-metre) unarmed prototype, dubbed Sea Hunter, is the naval equivalent of Google's self-driving car, designed to cruise on the ocean's surface without a crew. No matter if they are in the sea, in the desert or in an ice hole. With its spinning rotors, this helicopter is first to rescue you! The Sea Hunter is a rescue helicopter. After two years of testing and evaluation by DARPA and the military, command of the "Sea Hunter," an unmanned autonomous warship, has been officially passed to the U.S. Navy. Mike Finizza. Sea Hunter is an autonomous unmanned surface vehicle (USV) launched in 2016 as part of the DARPA Anti-Submarine Warfare Continuous Trail Unmanned Vessel program. With its advanced stabilizing abilities, this chopper can hover above people who need rescue. As the Sea King's successor, Cyclone will build on this storied history and usher in a new era of maritime helicopter operations. The vessel continues the line of experimental "Sea" ships, including the Sea Shadow, Sea Fighter, and Sea Slice. After supporting Canada for 55 years in anti-submarine warfare and maritime search and rescue missions, the CH-124 Sea King helicopter retired in December 2018.