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

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

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

Vice President JD Vance was on base earlier for the event but was not in danger following an artillery round explosion during ...

An artillery shell detonated prematurely midflight Saturday during a Marines anniversary event attended by Vice President JD ...

Ordnance fired over Interstate 5 at yesterday's 250th anniversary of the Marine Corps at Camp Pendleton prematurely detonated ...

An artillery shell fired as part of the Marine Corps’ 250-year anniversary celebrations prematurely detonated over Interstate ...

The Marine Corps did not respond to questions about who made the decision to fire over I-5, when the last time was that the Marine Corps fired artillery over the interstate, or if there were broader ...

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

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

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

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