"On the morning of the event, Oct. 18, the freeway was suddenly shut down by state officials with almost no advanced warning, leading to hourslong detours for commuters and lots of finger-pointing between federal and state officials. Then, at about 1:45 p.m., a demonstration munition fired from the beach over Interstate 5 exploded in the air, raining shrapnel down on the roadway and hitting California Highway Patrol vehicles."
"On Friday, March 13, the Marine Corps released a 665-page, partially redacted investigation report outlining precisely what led to the mid-air munitions explosion, blaming a malfunctioning electronic fuse. The report calls the detonation a "statistical anomaly," saying that the fuse's premature explosion amounts to a "one in a million" error."
"In the days leading up to the event, Gov. Gavin Newsom assailed the event as a dangerous vanity project and pushed for the freeway to be closed ahead of the demonstration; government officials, meanwhile, said the exhibition would be completely safe, and no traffic restrictions would be necessary."
During a Marine Corps 250th anniversary celebration in October 2025, a live munitions demonstration at Camp Pendleton near San Clemente, California went wrong when a shell exploded mid-air over Interstate 5, scattering shrapnel onto the roadway and hitting California Highway Patrol vehicles. Governor Newsom had warned against the event and advocated for freeway closure, while federal officials initially deemed it safe and unnecessary to restrict traffic. The freeway was abruptly shut down with minimal warning on the morning of the event. A 665-page Marine Corps investigation released in March 2026 attributed the incident to a malfunctioning electronic fuse that detonated prematurely, describing it as a one-in-a-million error and highly improbable occurrence.
#military-incident #interstate-5-accident #marine-corps-demonstration #equipment-malfunction #public-safety
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