U.S. Air Force Senior Master Sgt. Jon Pieters, right, manager with the 133rd Civil Engineer Squadron, teaches a class on post attack reconnaissance sweeps in St. Paul, Minn., Feb. 24, 2018. Airmen with the 133rd Airlift Wing are participating in the annual expeditionary skills rodeo which familiarize them with self-aid buddy care, wearing the Mission Oriented Protective Posture or MOPP gear, and detecting unexploded ordinance. (U.S. Air National Guard photo by Tech. Sgt. Austen R. Adriaens)