An apparent explosion occurred during a water deluge system test at SpaceX’s Starbase facility in Boca Chica, Texas, on May 5, 2026. The incident was captured in an 18-second video shared by NASA Spaceflight.com, showing a sudden flash, a piece of debris launching into the air, and a large plume of water erupting from the launch pad. The test was immediately aborted. The deluge system, designed to absorb extreme heat during rocket launches by spraying around 1.3 million liters of water, is a critical part of launch infrastructure and was installed after the first Starship launch severely damaged the pad in April 2023.

SpaceX had been preparing for the first launch of Starship V3, which has already faced multiple delays and is now scheduled for May 12. The company previously noted ongoing challenges with Ground Support Equipment (GSE) related to the deluge system in internal documentation. This test was likely part of final validation ahead of launch. The explosion raises questions about whether the GSE issues have been fully resolved and could impact the upcoming launch timeline.

No injuries were reported, and SpaceX has not yet released an official statement. The event underscores the technical complexity involved in scaling reusable rocket systems and the risks inherent in ground testing. Engineers will now analyze the footage and system data to determine the cause and required repairs before proceeding with launch preparations.