Marine killed at Camp Pendleton identified as 21-year-old Tanner Rubio
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The Marine Corps announced Friday that the sailor killed in a training accident in Southern California on Wednesday was 21-year-old Tanner F. Rubio.
Rubio, a first-class private, was killed in a “tactical vehicle crash” in the afternoon at Camp Pendleton in San Diego County, according to authorities. He served in the I Marine Expeditionary Force (I MEF), the largest in the world. Sea Air-Ground Task Force (MAGTF) in the Corps.
Rubio is a Dixon, Calif., native who enlisted in the Marine Corps in January 2025, officials said. He received front-line combat training as an infantry rifleman and served in a battalion in the 1st Marine Regiment of the 1st Marine Division, one of the Marine Corps’ main combat units.
“The tragic loss of Pfc. Rubio is an event felt throughout the 1st Marine Division,” Maj. Gen. Thomas Savage, 1st Marine Division commander, said in a statement. “He will be greatly missed, but his honorable service to his country will not be forgotten. All of us at Blue Diamond will keep him and his family in our thoughts and prayers.”
A MARINE KILLED DURING A TACTICAL VEHICLE TRAINING EXERCISE AT A CALIFORNIA MILITARY BASE
Tanner F. Rubio has been identified as the sailor who died in a training accident on December 3, 2025. (US Marine Corps)
His death had nothing to do with Steel Knight, an annual publication. education exercise It started at the base Monday, officials said.
State Senator Catherine BlakespearThe district, whose district includes Camp Pendleton, had previously called the crash “extremely distressing” and emphasized the sacrifices Marines made to protect the nation.
A MARINE KILLED DURING A TACTICAL VEHICLE TRAINING EXERCISE AT A CALIFORNIA MILITARY BASE
A look at U.S. Marines’ Amphibious Combat Vehicles (ACV) training at Camp Pendleton on Friday, Sept. 26, 2025. (Allen J. Schaben/Los Angeles Times)
“I was incredibly saddened to learn of the tragic training accident at Camp Pendleton that claimed the life of a Marine. 1st Marine Expeditionary Force“My heart and deepest condolences go out to the Marine’s family, loved ones, and other soldiers who are grieving this loss,” Blakespear said in a Facebook post Wednesday.
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A view of the sign at Marine Corps Base Camp Pendleton on Friday, Sept. 26, 2025. (Allen J. Schaben/Los Angeles Times)
“Our Marines put themselves in harm’s way every day, even on home soil during routine training, to keep our nation safe. It is a true honor to represent Camp Pendleton and these service members, and it is extremely saddening to hear.”
“I will be following the investigation into this accident closely. I extend my condolences to everyone in the Camp Pendleton community who are grieving at this difficult time.”
Fox News Digital has reached out to I Marine Expeditionary Force for more information.
