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Story summary
- The Marine Corps released a March 13 report identifying a malfunction in a live-fire demonstration near Camp Pendleton as a "one-in-a-million" electronic fuze incident that caused a shell to explode prematurely over Interstate 5.
- No injuries occurred.
- The shell damaged a California Highway Patrol vehicle.
- The incident fueled tensions between California Governor Gavin Newsom and the Trump administration over safety concerns.
