Serco, Inc.
USX-1 Defiant USV chosen as platform for KARNO power-gen sea trial - News
May 19, 2026AUSTIN, Tex. Hyliion Holdings, which develops modular power plant technology, announced that the U.S. Navy’s Office of Naval Research (ONR) and the Defense Advanced Research Projects Agency (DARPA) have chosen the USX-1 Defiant -- a fully autonomous medium uncrewed surface vessel (USV) -- as a candidate test vessel for Hyliion’s KARNO onboard power-generation technology.
Autonomous DARPA ship shows off in-water testing - News
July 21, 2025ARLINGTON, Va. The Defense Advanced Research Project Agency (DARPA) No Manning Required Ship (NOMARS) autonomous long-duration prototype ship is seen underway on the water in the first video of it operating at sea.
Unmanned-ship design project from DARPA moves into Phase 2 - News
August 25, 2022ARLINGTON, Va. The Defense Advanced Research Projects Agency (DARPA) is moving into Phase 2 of its No Manning Required Ship (NOMARS) program, which seeks to build and demonstrate a revolutionary new medium unmanned surface vessel (MUSV) that can go to sea and perform missions with unprecedented reliability and availability, while carrying a significant payload. The agency selected Serco Inc.’s design to move forward at the conclusion of Phase 1.


