First Lieutenant Carlos Moralejo (left), 39th Security Forces Squadron flight commander, and Senior Airman Michael Dean, 39th SFS area supervisor, tactically enter an aircraft shelter during a base-wide exercise Jan. 28, 2015, at Incirlik Air Base, Turkey. As part of the exercise 39th SFS defenders responded to an active shooter inside of the shelter. (U.S. Air Force photo by Senior Airman Krystal Ardrey/Released)