National Security and Defense

Two F-35B combat aircraft from the United States Marine Corp depart after re-fueling from an RAF Voyager aircraft over the North Sea on October 08, 2020 in flight, above Scotland.
unmanned vessel
Caption
Naval Information Warfare Center Atlantic successfully completed the first-ever known transatlantic crossing of an unmanned surface vessel on September 9, 2025, as it arrived in Troia, Portugal. (US Navy)
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bryan_clark
bryan_clark
Senior Fellow and Director, Center for Defense Concepts and Technology