USX-1 Defiant

The USX-1 Defiant is a first generation NOMARS prototype that was completed in February 2025{{Cite web |title=No Manning Required Ship (NOMARS) |url=https://www.darpa.mil/research/programs/no-manning-required-ship |access-date=2025-03-07 |website=www.darpa.mil}} and began sea trials in following month. It was first seen in public in March 2025 near the U.S. Navy's Naval Air Station (NAS) Whidbey Island.{{cite web|url=https://www.twz.com/sea/mysterious-naval-vessel-spotted-in-washington-state-is-a-new-darpa-drone-ship|title=Mysterious Naval Vessel Spotted In Washington State Is A New DARPA Drone Ship|author=Joseph Trevithick|publisher=The War Zone|date=4 March 2025|access-date=5 March 2025}} The ship has an LOA (length overall) of 180 feet with a 240 metric ton displacement.{{Cite web |title=Construction of first NOMARS prototype complete, sea trials to begin this spring {{!}} InsideDefense.com |url=https://insidedefense.com/insider/construction-first-nomars-prototype-complete-sea-trials-begin-spring |access-date=2025-03-07 |website=insidedefense.com}}