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From the left, Tech. Sgt. Adam Paini, 436th Security Forces Squadron, Staff Sgt. Brandon Trapp, 436th SFS, and Officer Justin Viens, 436th SFS supervisory police officer, clear rooms during an active shooter exercise Feb. 26, 2018, at the George S. Welch Elementary School and Dover Air Force Base Middle School at Dover AFB, Del. The 436th Inspector General office evaluated school faculty and Security Forces on their response procedures. (U.S. Air Force photo by Airman 1st Class Zoe M. Wockenfuss)