SpaceX confirmed the upper stage had undergone "rapid unscheduled disassembly," the company's euphemism for an explosion.

The company says that “Starship flew within its designated launch corridor” and “any surviving pieces of debris would have fallen into the designated hazard area.” The falling debris put on a show in the evening sky over the Caribbean and was captured by several tourists who seemed both amazed and slightly anxious about what they were witnessing.