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Air Force Tech. Sgt. Michael Case, a team leader with the 379th Expeditionary Civil Engineer Squadron Explosive Ordnance Disposal, defuses simulated unexploded ordnance found in a mock vehicle-borne improvised explosive device during a VBIED response training exercise Dec. 18, 2018, at Al Udeid Air Base, Qatar. Training participants utilized an F6A robotic platform, the bomb suit, and other specific tools to disrupt a VBIED during the exercise. (Tech. Sgt. Christopher Hubenthal/Air Force)