USX-1 Defiant

History
United States
Builder
  • Nichols Brothers Boat Builders
  • Serco Maritime
Christened11 August 2025[1]
General characteristics
Displacement240 metric tons
Length180 feet (55 m)
Speed20 kts
Complement0

The USX-1 Defiant is a first generation NOMARS prototype that was completed in February 2025[2] 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.[3] The ship has an LOA (length overall) of 180 feet with a 240 metric ton displacement.[4]

References

  1. ^ "NOMARS | Media Gallery | DARPA". www.darpa.mil. Retrieved 20 August 2025.
  2. ^ "No Manning Required Ship (NOMARS)". www.darpa.mil. Retrieved 7 March 2025.
  3. ^ Joseph Trevithick (4 March 2025). "Mysterious Naval Vessel Spotted In Washington State Is A New DARPA Drone Ship". The War Zone. Retrieved 5 March 2025.
  4. ^ "Construction of first NOMARS prototype complete, sea trials to begin this spring | InsideDefense.com". insidedefense.com. Retrieved 7 March 2025.


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