A driver who died after a crash along Interstate 5 in Stockton over the weekend was a California Highway Patrol cadet, the agency said.

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

The mishap, during an anniversary celebration for the Marine Corps attended by the vice president and defense secretary, underscores safety concerns that Gov. Gavin Newsom voiced before Saturday’s event at Camp Pendleton.

I-5 closes 11 a.m.–3 p.m. for Marine Corps 250th anniversary live-fire demo at Camp Pendleton; expect major SoCal traffic delays.

And after a half-day of back-and-forth between Gov. Gavin Newsom and the White House, it seems as if all talk of shutting down Interstate 5 in California will not take place.

The event had prompted a tense back-and-forth between California Gov. Gavin Newsom and members of the Trump administration in the days leading up to the exercise.

Rounds were fired on Friday across Interstate 5 as part of a test run for Saturday’s event at Camp Pendleton in Southern California.

Newsom's office told the Los Angeles Times that it has received reports that the White House is directing a plan to use Navy ships off the California coast to fire missiles into Camp Pendleton.