Marines are investigating after a 155mm artillery round exploded over Interstate 5, hitting California Highway Patrol ...

While no one was hurt, experts say the decision to fire live munitions over the freeway during the ceremony was highly ...

The mishap, during an anniversary celebration for the Marine Corps attended by the vice president and defense secretary, ...

Marines at Camp Pendleton fired 30 155mm rounds over Interstate 5 on Oct. 17 in a test run for last weekend's celebration, ...

A plan to fire live artillery shells over a major Southern California highway as part of a military showcase attended by Vice ...

A patrol vehicle was struck by shrapnel from an artillery round that was fired during Saturday's event at Camp Pendleton, ...

Rounds were fired on Friday across Interstate 5 as part of a test for Saturday’s event in Southern California. The state shut ...

A U.S. Marine Corps artillery round prematurely detonated over Interstate 5 on Saturday sending metal shrapnel onto a ...

The incident drew criticism from California Gov. Gavin Newsom, who blamed the Trump administration for what he called a "reckless" show of force.

An "explosive ordnance" detonated prematurely and hit a law enforcement vehicle near Camp Pendleton in California Saturday.

California says it has no record of any over-freeway fire prior to Saturday’s amphibious capabilities demonstration that ...

Camp Pendleton Marines say they told the state they would fire live artillery rounds over I-5 on Friday and Saturday. State ...