Matthew Brogan, 820th Combat Operations Squadron junior counter-improvised explosive device (IED) integrator, briefs 820th Base Defense Group members before training, Jan. 24, 2018, at Moody Air Force Base, Ga. The 820th BDG defenders trained on how to detect IEDs and counter measures to take when one is found. IEDs have become one of the most common forms of attack in the Middle East since 2003. (U.S. Air Force photos by Staff Sgt. Eric Summers Jr.)