U.S. Marines and Naval personnel with Special Reaction Team, Headquarters and Support Battalion, Marine Corps Installations Pacific, pose for a photo during multiple weapons sustainment training on Camp Hansen, Okinawa, Japan, Aug. 11, 2022. The members of SRT are attached to the Provost Marshal’s Office and are specifically trained and equipped to react in scenarios like an active shooter, hostage situations, and barricaded subjects. - U.S. Marines and Naval personnel with Special Reaction Team, Headquarters and Support Battalion, Marine Corps Installations Pacific, pose for a photo during multiple weapons sustainment training on Camp Hansen, Okinawa, Japan, Aug. 11, 2022. The members of SRT are attached to the Provost Marshal’s Office and are specifically trained and equipped to react in scenarios like an active shooter, hostage situations, and barricaded subjects.

U.S. Marines with the Marine Corps Air Station Iwakuni Special Reaction Team, and the air station’s Provost Marshal’s Office conduct a barricaded suspect exercise at the Iwakuni Naval Family Branch Clinic at MCAS Iwakuni, Japan, April 8, 2022. SRT and PMO work side-by-side to conduct emergency drills in order to maintain their proficiencies and prepare for potential real-world contingencies on the installation. - U.S. Marines with the Marine Corps Air Station Iwakuni Special Reaction Team, and the air station’s Provost Marshal’s Office conduct a barricaded suspect exercise at the Iwakuni Naval Family Branch Clinic at MCAS Iwakuni, Japan, April 8, 2022. SRT and PMO work side-by-side to conduct emergency drills in order to maintain their proficiencies and prepare for potential real-world contingencies on the installation.

U.S. Marine Corps Lance Cpl. Edgar Wooten (left), basic entryman, and U.S. Marine Corps Sgt. Marcus Edwards (right), team commander, Special Reaction Team, Provost Marshall’s Office, Marine Air Ground Task Force Training Command, practice coordinated movement techniques during an SRT familiarization range at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Dec. 11, 2020. SRT Marines are military police officers trained in hostage situation, active shooter and barricaded suspect response. (U.S. Marine Corps photo by Lance Cpl. Joshua Sechser) - U.S. Marine Corps Lance Cpl. Edgar Wooten (left), basic entryman, and U.S. Marine Corps Sgt. Marcus Edwards (right), team commander, Special Reaction Team, Provost Marshall’s Office, Marine Air Ground Task Force Training Command, practice coordinated movement techniques during an SRT familiarization range at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Dec. 11, 2020. SRT Marines are military police officers trained in hostage situation, active shooter and barricaded suspect response. (U.S. Marine Corps photo by Lance Cpl. Joshua Sechser)

Pfc. William Baker, a prospect for the Special Reaction Team, holds a shield during close-quarters battle training Jan. 8 at Camp Hansen. Baker is a San Antonio, Texas, native. The special reaction team is with the Provost Marshal’s Office, Marine Corps Installations Pacific-Marine Corps Base Camp Butler, Japan. The team is the military equivalent of Special Weapons and Tactics teams. - Pfc. William Baker, a prospect for the Special Reaction Team, holds a shield during close-quarters battle training Jan. 8 at Camp Hansen. Baker is a San Antonio, Texas, native. The special reaction team is with the Provost Marshal’s Office, Marine Corps Installations Pacific-Marine Corps Base Camp Butler, Japan. The team is the military equivalent of Special Weapons and Tactics teams.

Cpl. Tyler Raffaele, an entry team breecher with the Special Reaction Team, Marine Corps Police Department, Security Emergency Services Battalion, performs a scan of his surroundings immediately following a course of fire during a quarterly SRT qualification at Range 300, Nov. 20. The scan is a tactic used to remain aware of your surroundings and break tunnel vision in combat. - Cpl. Tyler Raffaele, an entry team breecher with the Special Reaction Team, Marine Corps Police Department, Security Emergency Services Battalion, performs a scan of his surroundings immediately following a course of fire during a quarterly SRT qualification at Range 300, Nov. 20. The scan is a tactic used to remain aware of your surroundings and break tunnel vision in combat.