The San Bernardino Sun

Rare glitch caused artillery round to explode over 5 Freeway during JD Vance visit, report says

The electronic device that was used is manufactured to a standard of “one defect in a million,” and no human error was found, ...

Months ago, a live Marine shell exploded over I-5. Now we know why.

In October 2025, as part of a celebration honoring the 250th anniversary of the founding of the Marine Corps, military and ...
ABC7 KABC on MSN

Marines cite 'one in a million' malfunction in Camp Pendleton round explosion over 5 Freeway

An investigation has revealed new details about a military round that exploded over the 5 Freeway last October, scattering ...

Marines: ‘One-in-a-million’ malfunction caused explosion over California freeway

The USMC has determined that a “one-in-a-million” malfunction in an artillery shell’s fuze caused it to explode over ...