284K views · 1.3K reactions | The USX-1 Defiant has set sail, beginning her extended at-sea demonstration of endurance and reliability. She completed pre-departure testing in the waters near Port Angeles, WA, before sailing up the Strait of Juan de Fuca. The ship reached the Pacific Ocean early this morning. Follow Defiant throughout her demonstration at: www.darpa.mil/nomars | Defense Advanced Research Projects Agency - DARPA | Facebook