Marine who was killed in vehicle training accident at California base identified

The Marine Corps revealed Friday that the Marine who died Wednesday successful a Southern California grooming mishap was 21-year-old Tanner F. Rubio. 

Rubio, a backstage archetypal class, was killed successful a "tactical conveyance mishap" successful the day astatine Camp Pendleton successful San Diego County, according to officials. He served with the I Marine Expeditionary Force (I MEF), the largest Marine Air-Ground Task Force (MAGTF) successful the Corps. 

Rubio was a autochthonal of Dixon, California, who joined the Marine Corps successful January 2025, officials said. He trained for frontline combat arsenic an infantry rifleman and served successful a battalion wrong the 1st Marine Regiment of the 1st Marine Division, 1 of the Marine Corps’ main combat units.

"The tragic nonaccomplishment of Pfc. Rubio is 1 felt crossed the 1st Marine Division," Maj. Gen. Thomas Savage, commanding wide of the 1st Marine Division, said successful a statement. "He volition beryllium sorely missed, but his honorable work to his state volition not beryllium forgotten. All of america astatine the Blue Diamond volition support him and his household successful our thoughts and prayers."

MARINE KILLED DURING TACTICAL VEHICLE TRAINING EXERCISE AT CALIFORNIA MILITARY BASE

Tanner F. Rubio has been identified arsenic the Marine who died during a grooming mishap connected Dec. 3, 2025. (U.S. Marine Corps)

His decease was not related to Steel Knight, an annual training workout that began Monday connected the base, officials said. 

State Sen. Catherine Blakespear, whose territory includes Camp Pendleton, antecedently described the mishap arsenic "tremendously upsetting" and emphasized the sacrifices Marines marque to support the nation.

MARINE KILLED DURING TACTICAL VEHICLE TRAINING EXERCISE AT CALIFORNIA MILITARY BASE

A presumption of U.S. Marines grooming connected Amphibious Combat Vehicles (ACV) astatine Camp Pendleton Friday, Sept. 26, 2025. (Allen J. Schaben/Los Angeles Times)

"I americium incredibly saddened to larn of the tragic grooming mishap astatine Camp Pendleton that claimed the beingness of a Marine from the 1st Marine Expeditionary Force," Blakespear said successful a Facebook station Wednesday. "My bosom and deepest sympathies spell retired to the Marine’s family, loved ones, and different work members who are grieving this loss.

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A presumption of the motion astatine Marine Corps Base Camp Pendleton Friday, Sept. 26, 2025. (Allen J. Schaben/Los Angeles Times)

"Our Marines enactment themselves successful harm’s mode each time adjacent connected location ungraded during regular grooming truthful that our federation remains safe. Representing Camp Pendleton and these work members is simply a existent grant and proceeding of this is tremendously upsetting."