U.S. Marine Corps Officer Candidates School staff and John. H. Bradley Health Clinic staff conduct a mass casualty training exercise at OCS on Marine Corps Base Quantico, May 14, 2026. The exercise prepares Marines, sailors and medical personnel to provide aid to a large number of candidates with injuries or heat-related illnesses as they go through the process of becoming Marine Corps Officers. (U.S. Marine Corps video by Cpl. Joshua Munsen)
U.S. Marine Corps Officer Candidates School staff and John. H. Bradley Health Clinic staff conduct a mass casualty training exercise at OCS on Marine Corps Base Quantico, May 14, 2026. The exercise prepares Marines, sailors and medical personnel to provide aid to a large number of candidates with injuries or heat-related illnesses as they go through the process of becoming Marine Corps Officers. (U.S. Marine Corps video by Cpl. Joshua Munsen)
