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

The October episode sent shrapnel onto California Highway Patrol vehicles on Interstate 5 during a celebratory exercise ...

During a live-fire demonstration marking the 250th anniversary of the U.S. Marine Corps, a shell explosion near Vice President J.D. Vance’s motorcade prompted alarm. The incident occurred Saturday at ...

A 666-report reveals a rare malfunction caused an artillery shell to explode over the I-5 near Camp Pendleton during the U.S. Marine Corps' 250th birthday celebration.

Add Yahoo as a preferred source to see more of our stories on Google. Vice President JD Vance, right, watches a demonstration by Marines during activities to mark the upcoming Marine Corps' 250th ...

Marines fire an M777 Howitzer during a training exercise. (Lance Cpl. Christian Ayers/Marine Corps) Metal shrapnel from an exploding artillery shell fell and damaged a California Highway Patrol ...

New questions are emerging about why there were no public warnings before the U.S. Marines fired over Interstate 5 and a major regional commuter rail line as a test run a day before the 250th birthday ...