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Readiness in action: Osan’s active shooter exercise

Defenders assigned to the 51st Security Forces Squadron clear a building during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise strengthened base-wide emergency rapid response capabilities. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

Defenders assigned to the 51st Security Forces Squadron prepare to engage with the simulated perpetrator during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise ensures Team Osan remains vigilant and prepared for real-world threats. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

U.S. Air Force Tech. Sgt. Matthew Merserve, 51st Security Forces Squadron defender, stands guard during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise allowed Airmen to sharpen their ability to respond quickly under pressure. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

A tourniquet is applied to a simulated casualty during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise tested teamwork, communication, and coordination with base-wide emergency response agencies. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

Defenders assigned to the 51st Security Forces Squadron evacuate a simulated casualty for medical treatment during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise tested teamwork, communication, and coordination with base-wide emergency response agencies. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

Defenders assigned to the 51st Security Forces Squadron carry a simulated wounded casualty during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise tested teamwork, communication, and coordination with base-wide emergency response agencies. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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Readiness in action: Osan’s active shooter exercise

Defenders assigned to the 51st Security Forces Squadron leave a room after neutralizing a simulated threat during an active shooter exercise at Osan Air Base, Republic of Korea, Sept. 18, 2025. The exercise tested teamwork, communication, and coordination with base-wide emergency response agencies. (U.S. Air Force photo by Staff Sgt. Sarah Williams)
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250911-F-TU760-1024

U.S. Air Force U.S. Air Force Airmen assigned to the 51st Medical Group respond to the first simulated patient through the decontamination line at Osan Air Base, Republic of Korea, Sept. 11, 2025. The scenario tested their ability to move casualties while working in full protective gear. (U.S. Air Force photo by Senior Airman Tallon Bratton)
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240101-F-TU760-1064

U.S. Air Force The 51st Medical Group set up a mobile decontamination site during an exercise at Osan Air Base, Republic of Korea, Sept. 11, 2025. The portable equipment can operate anywhere with water and electricity, expanding the base’s ability to respond to chemical incidents. (U.S. Air Force photo by Senior Airman Tallon Bratton)
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240101-F-TU760-1032

U.S. Air Force U.S. Air Force Airmen assigned to the 51st Medical Group cut away clothing from a training mannequin during a chemical attack response drill at Osan Air Base, Republic of Korea, Sept. 11, 2025. Removing contaminated clothing is one of the first steps in the decontamination process. (U.S. Air Force photo by Senior Airman Tallon Bratton)
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Mustang of the Week: Senior Airman Lauren Waits

U.S. Air Force Senior Airman Lauren Waits, 51st Fighter Wing senior emergency actions controller, poses for a photo at Osan Air Base, Republic of Korea, Sept. 10, 2025. Waits earned the title of Mustang of the Week for her exceptional contributions within her duties in the command post and for her dedication outside of the vault. (U.S. Air Force photo by Staff Sgt. Jason W. Cochran)
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240101-F-TU760-1009

U.S. Air Force U.S. Air Force Airmen assigned to the 51st Medical Group suit up in protective gear during a chemical decontamination exercise at Osan Air Base, Republic of Korea, Sept. 11, 2025. The training prepared medical teams to respond quickly in hazardous environments. (U.S. Air Force photo by Senior Airman Tallon Bratton)
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Mustang of the Week: Senior Airman Lauren Waits

U.S. Air Force Senior Airman Lauren Waits, 51st Fighter Wing senior emergency actions controller, answers a phone at Osan Air Base, Republic of Korea, Sept. 10, 2025. Waits earned the title of Mustang of the Week for her exceptional contributions within her duties in the command post and for her dedication outside of the vault. (U.S. Air Force photo by Staff Sgt. Jason W. Cochran)
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Mustang of the Week: Senior Airman Lauren Waits

U.S. Air Force Senior Airman Lauren Waits, 51st Fighter Wing senior emergency actions controller, uses the giant voice system at Osan Air Base, Republic of Korea, Sept. 10, 2025. Waits earned the title of Mustang of the Week for her exceptional contributions within her duties in the command post and for her dedication outside of the vault. (U.S. Air Force photo by Staff Sgt. Jason W. Cochran)
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250911-F-LA223-1425

Members of the 36th Fighter Squadron and Republic of Korea Air Force’s 152nd Fighter Squadron pose for a group photo in front of ROKAF F-35A during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. Being ready to Fight Tonight is ensuring that ROK and U.S. forces can train and trust each other ensuring mission success when called into action. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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250911-F-LA223-1111

F-35A Lightning IIs assigned to the Republic of Korea Air Force 152nd Fighter Squadron and F-16 Fighting Falcons assigned to the 36th Fighter Squadron fly in formation over the Korean Peninsula during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. The bilateral exercise strengthens integration between the U.S. Air Force and ROKAF. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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250911-F-LA223-1944

F-35A Lightning IIs assigned to the Republic of Korea Air Force 152nd Fighter Squadron and F-16 Fighting Falcons assigned to the 36th Fighter Squadron fly in formation over the Korean Peninsula during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. The bilateral exercise strengthens integration between the U.S. Air Force and ROKAF. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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250911-F-LA223-7034

F-35A Lightning IIs assigned to the Republic of Korea Air Force 152nd Fighter Squadron and F-16 Fighting Falcons assigned to the 36th Fighter Squadron fly in formation over the Korean Peninsula during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. Exercises like Buddy Squadron not only show camaraderie between forces, but also the commitment of both nations to maintaining peace and stability in the region. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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250911-F-LA223-6123

F-35A Lightning IIs assigned to the Republic of Korea Air Force 152nd Fighter Squadron fly in formation over the Korean Peninsula during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. This iteration is unique as it marks an opportunity for the 36th FS to train and conduct combined flying missions alongside ROKAF F-35As. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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250911-F-LA223-4215

F-35A Lightning IIs assigned to the Republic of Korea Air Force 152nd Fighter Squadron and an F-16 Fighting Falcon assigned to the 36th Fighter Squadron fly over the Korean Peninsula during Buddy Squadron 25-5 at Cheongju Air Base, ROK, Sept. 11, 2025. Exercises like Buddy Squadron not only show camaraderie between forces, but also the commitment of both nations to maintaining peace and stability in the region. (U.S. Air Force photo by Staff Sgt. Dustin Braaten)
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