A Marine died during a "routine military operation" at Camp Pendleton, California, on Tuesday evening, marking the Marine Corps' second death in less than a week, according to a press release from the service.

A Marine died Tuesday at Camp Pendleton during "routine military operations." They were part of the Marine Light Attack Helicopter Training Squadron 303.

A member of the U.S. Marine Corps died at Camp Pendleton this week while taking part in "routine military operations."

A Marine has died during a 'routine military operation' at a California air base. The incident happened during a "routine military operation" at Camp Pendleton in San Diego, according to the USMC. The Marine died at 5 p.