Ship sponsor Mattie Hanley follows naval tradition by breaking a bottle of spirits on the side of the USX-1 Defiant during the official christening ceremony in Everett, Wash., on Aug. 11, 2025. (Source: DARPA | Spencer Bruttig) DARPA christens USX-1 Defiant autonomous ship ahead of at-sea demonstrations Officials plan to deliver the robotic platform to the Navy’s Unmanned Maritime Systems Program Office (PMS 406). 18 hours ago By Jon Harper
