Security Forces trainees at the 343rd Training Squadron participate in the Enter-and-Clear course at Joint Base San Antonio - Camp Bullis, July 11, 2023. The exercise is designed to teach the trainees how to shoot, move, and communicate while traversing through buildings that are occupied with an active shooter. The 37th Training Wing and 343rd Training Squadron provide the initial training for all Air Force security forces. | Joint Base San Antonio

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