Starlink Outage Disrupts US Navy Drone Tests
A global Starlink outage in August 2025 disrupted U.S. Navy tests of unmanned surface vessels off California, leaving two dozen autonomous drones without communications for nearly an hour. The incident exposed the Pentagon's vulnerability to relying on a single commercial provider for critical military communications infrastructure.
What happened
In August 2025, a global outage across SpaceX's Starlink satellite network left two dozen unmanned surface vessels without communications and halted operations for almost an hour during a U.S. Navy test off the California coast.
Internal Navy documents reviewed by Reuters indicate that this incident was one of several Navy test disruptions linked to Starlink affecting autonomous boats and drones intended to support U.S. military options in potential conflict with China.
Reported impact
The outage exposed a single point of failure in the Navy's drone program: the military's dependence on Starlink for critical autonomous vessel operations.
The incident highlights risks to the Pentagon from its growing reliance on SpaceX as the company secures its position as indispensable to the U.S. government across satellite communications, space launches, and military AI applications.
Index analysis
The Navy's operational disruptions reflect broader challenges in designing resilient military systems when a single commercial provider controls key communications infrastructure.
SpaceX remains far ahead of competitors in low-earth orbit communications despite growing competition, holding a near-monopoly for military space launches and providing both Starlink and the national security-focused constellation Starshield.
Governance controls
The Pentagon stated that the 'Department leverages multiple, robust, resilient systems for its broad network,' though it did not respond to specific questions about the drone test or SpaceX's Navy work.
According to the Center for Strategic and International Studies, 'If there was no Starlink, the U.S. government wouldn't have access to a global constellation of low earth orbit communications.'
Classification
Sources and evidence
This record was researched and written by the Index, based on the following original reporting.