Newsom criticizes Vance as 'reckless' after shrapnel strikes VP security vehicle during Marine demo

Governor Gavin Newsom criticized live ammunition near highways after a 155mm round reportedly detonated early and scattered fragments onto cars
UPDATED OCT 20, 2025
California Governor Gavin Newsom criticized Vice President JD Vance after a shrapnel from an artillery shell fired during the Marine Corps’ 250th anniversary celebration hit the VP's motorcade (Getty Images)
California Governor Gavin Newsom criticized Vice President JD Vance after a shrapnel from an artillery shell fired during the Marine Corps’ 250th anniversary celebration hit the VP's motorcade (Getty Images)

SAN DIEGO, CALIFORNIA: California Governor Gavin Newsom blasted Vice President JD Vance as “reckless,” after shrapnel from an artillery shell fired during the Marine Corps’ 250th anniversary celebration struck vehicles in the vice president’s security motorcade.

“We love our Marines and owe a debt of gratitude to Camp Pendleton, but next time, the vice president and the White House shouldn’t be so reckless with people’s lives for their vanity projects,” Newsom said in a statement to The New York Times on Sunday, October 19.

CANTON, OHIO - JULY 28: U.S. Vice President JD Vance speaks at Metallus, a metal products manufacturer, on July 28, 2025 in Canton, Ohio. Vance is traveling in Ohio to promote what the Trump administration says are the benefits of the
Vice President JD Vance spoke at Metallus, a metal products manufacturer, on July 28, 2025 in Canton, Ohio (Maddie McGarvey-Pool/Getty Images)

Shrapnel hits vice president’s security detail

Reportedly, a 155-millimeter shell detonated prematurely during the live-fire display at Camp Pendleton in North San Diego County, dropping fragments on a California Highway Patrol (CHP) vehicle and motorcycle escorting the vice president.

No officers were hurt and as per the patrol report, one officer described the incident as sounding like pebbles striking his motorcycle. Yet another officer found a two-inch piece of shrapnel lodged in the hood of his patrol car.



The CHP confirmed that one of its units, stationed to manage traffic along a 17-mile stretch of Interstate 5 during the demonstration, was hit by shell fragments.

Photos from the incident report show a pierced hood and debris from the exploded munition.

“This was an unusual and concerning situation,” said CHP Border Division Chief Tony Coronado, who is also a Marine veteran.

California Gov. Gavin Newsom campaigns for President Joe Biden at the Van Buren County Democratic Party's
Gavin Newsom campaigned for President Joe Biden at the Van Buren County Democratic Party's 'BBQ for Biden-Harris' event on July 4, 2024 in South Haven, Michigan (Bill Pugliano/Getty Images)

“It is highly uncommon for any live-fire or explosive training activity to occur over an active freeway,” he added.

Capt Gregory Dreibelbis, operations officer in the I Marine Expeditionary Force, said officials are investigating “a possible airborne detonation of a 155mm artillery round outside the designated impact area."

Governor Newsom says Trump and Vance 'put lives at risk'

Governor Newsom, who had earlier objected to the freeway closure and the use of live ammunition near civilian routes, renewed his criticism on social media following the mishap.

He wrote on X, "Donald Trump and JD Vance put lives at risk to put on a show.

If you want to honor our troops, open the government and pay them."



He had previously called the celebration a “profoundly absurd show of force that could put Californians directly in harm’s way,” noting that the event caused major disruptions on one of the state’s busiest highways.

California Governor Gavin Newsom speaks during a press conference at Raleigh Studios unveiling a vast expansion of California’s Film and Television Credit Program on October 27, 2024 in Los Angeles, California. Newsom and Los Angeles Mayor Karen Bass announced a proposal which would expand the program to $750 million annually, a major increase from the $330 million currently allocated, amid sluggish film and TV productions in Hollywood and across California. (Photo by Mario Tama/Getty Images)
California Governor Gavin Newsom spoke during a press conference at Raleigh Studios while unveiling a vast expansion of California’s Film and Television Credit Program on October 27, 2024 in Los Angeles, California  (Mario Tama/Getty Images)

CHP and Marines launch investigation

Both the CHP and Marine Corps have opened probes into the incident. 

The White House provided a statement from the Marine Corps that said they did not request the closure of the highway. They also thanked the public for their patience.

This demonstration showcased "the strength and unity of the Navy-Marine Corps team,” the statement further said.



Newsom, however, said on Sunday, that the incident underscored the dangers of politicized military spectacles.

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