During a U.S. naval test off the California coast last month, which was designed to showcase the Pentagon’s top autonomous drone boats, one vessel stalled unexpectedly.
As officials scrambled to fix a software glitch, another drone vessel smashed into the idling boat’s starboard side, vaulted over the deck, and crashed back into the water — an incident captured in videos.
The previously unreported episode, which involved two vessels built by U.S. defense tech rivals Saronic and BlackSea Technologies, is one of a series of recent setbacks in the Pentagon’s push to build a fleet of autonomous vessels, according to a dozen people familiar with the program.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.