A 17-mile stretch of Interstate 5 in Southern California is set to close today from 11 a.m. to 3 p.m. due to a live-fire military demonstration celebrating the 250th anniversary of the U.S. Marine Corps at Camp Pendleton.

The event, titled “America’s Marines 250: From Sea to Shore — A Review of Amphibious Strength,” includes a live ammunition exercise over the freeway, according to the California Highway Patrol (CHP). The closure affects both directions of I-5 between Harbor Drive in Oceanside and Basilone Road near San Onofre.

“Live ammunition will be discharged by the federal government over the freeway,” CHP said in a statement early Saturday.

What you need to know about Interstate 5 closure

Closure Time : 11 a.m. to 3 p.m.

Affected Stretch : Harbor Drive (Oceanside) to Basilon

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