Saildrone USV (Explorer / Voyager / Surveyor) at Alameda, California, USA

Saildrone (founded 2012 in Alameda, California by Richard Jenkins, with retired three-star admiral John Mustin as president) is the canonical commercial autonomous surface vessel company, operating wind- and solar-powered uncrewed surface vehicles for ocean data collection, mapping, and maritime domain awareness. Its line spans the 7-meter Explorer, the 10-meter Voyager, and the 20-meter Surveyor, with a new 52-meter diesel-electric hybrid Spectre announced in 2026 for delivery in 2027 that departs from the wind-and-solar identity.

It runs a captive mission-operation model, owning and operating the fleet and selling data and outcomes rather than vessels, with customers including NOAA, the US Navy's 4th Fleet for counter-narcotics and illegal-fishing work, and Denmark's EIFO, and funding including a $100 million Series C, a $60 million EIFO round in May 2025, and a $50 million Lockheed Martin strategic investment in October 2025. The registry records it at commercial maturity, the most mature commercial surface-autonomy player, on twelve-plus years of operation, 130-plus vehicles, and recurring contracts.

A significant cap-flag applies to its cumulative-scale figures, which are inconsistent across its own channels: an October 2023 primary milestone of 1,042,620 nautical miles, 32,438 days at sea, and 136 vehicles is the defensible verified anchor, while its homepage now claims more than 2 million nautical miles and a separate 2026 figure cites 2.5 million miles, both with the day-count frozen at 60,000, so the 2-to-2.5-million-mile claims are treated as not verified. The strongest discrete verified scale is its Navy 4th Fleet operation of about 130,000 nautical miles over roughly 2,700 mission-days. Its autonomy is genuine, though the degree of human supervision during missions is undisclosed.