Osan WIT evaluates Emergency Responders
Staff Sgt. Tyler McFarland, 51st Civil Engineer Squadron firefighter, dons his fire protection equipment during a training event at Osan Air Base, Republic of Korea, Sept. 15, 2021. Firefighters utilize specialized gas masks that filter out carbon dioxide, which are attached to a tank of compressed air that provides breathable air for the member. (U.S. Air Force photo by Tech. Sgt. Kristin High)