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

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

Shrapnel from an exploding 155mm shell damaged a police car as Marines fired rounds over a highway during a drill attended by ...

California Governor Gavin Newsom had shut down the freeway, even though White House officials said it was safe.

California Governor Gavin Newsom has unleashed a fierce attack on President Donald Trump and Vice President JD Vance after a ...

The U.S. military exercise that shot live-fire artillery rounds over Interstate 5 on Saturday dropped metal shrapnel onto a ...

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

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

The artillery rounds were fired over Interstate 5 near Camp Pendleton in San Diego as part of a military demonstration for ...

An artillery round exploded over Interstate 5 at Camp Pendleton, cutting short the military's live-fire exercise.

Metal shrapnel from an exploding artillery shell fell hit and damaged a California Highway Patrol vehicle as personnel at a U ...

Metal shrapnel from an exploding artillery shell fell, hit and damaged a California Highway Patrol vehicle as personnel at a U.S.