It’s been five months since a jubilant Marine Corps weekend turned chaotic in Southern California, with shrapnel falling from the sky onto a passing vehicle along one of the state’s most vital freeway sections. Now, a new report sheds some light on just where things went wrong.
In October 2025, as part of a celebration honoring the 250th anniversary of the founding of the Marine Corps, military and government officials decided to launch a volley of live munitions from a restricted section of coastline, south of the Orange County city of San Clemente, on Camp Pendleton. The shells were meant to fly over Interstate 5 and land without incident on specified training land. 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.
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…