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Exercise aboard Marine Corps Logistics Base Barstow.
230916-O-DU308-1520.JPG Photo By: Laurie Pearson

Jan 5, 2026
MARINE CORPS LOGISTICS BASE BARSTOW, Calif. - Marines and interagency partners engaged in an Interagency Active Shooter and Mass Casualty Exercise on the Yermo Annex aboard Marine Corps Logistics Base Barstow, 10 December 2025. “This full-scale regional command training and interoperability exercise is designed to enhance emergency preparedness and rapid response capabilities to violent incidents,” said Maj Grant Burnett, director of Operations. “The exercise involved coordination with key interagency partners, including local law enforcement, local fire and emergency services, as well as federal law agencies.” Personnel and other resources from the San Bernardino County Sheriffs Office, Naval Criminal Investigation Services, Barstow Fire, California Highway Patrol, Federal Bureau of Investigation, and Mercy Air worked closely with the Provost Marshal’s law enforcement officers, Fire and Emergency Services’ firefighters and paramedics, Dispatch teams, and Base Operations to conduct simulations in-order-to test installation’s emergency response protocols for active shooters and mass casualty incidents. This complex and multi-faceted training brings together our local agencies and improves communications, working relations, and team building. Photo by Leo Ritualo.


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