Vice President JD Vance speaks at the 250th anniversary celebration of the United States Marine Corps at Camp Pendleton, California, on Saturday. Mike Blake/Reuters

Vice President JD Vance celebrated the 250th anniversary of the United States Marine Corps on Saturday at a California event that drew some pushback from Gov. Gavin Newsom over a live artillery demonstration.

The Camp Pendleton demonstration, which the Marines called the largest in a decade in the continental US, involved fighter jets, helicopters, Navy vessels and live fire from a towed howitzer.

Newsom closed a section of Interstate 5 in Southern California “due to extreme life safety risk and distraction to drivers, including sudden unexpected and loud explosions.”

“Firing live rounds over a busy highway isn’t just wro

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