Airmen from the 301st Fighter Wing Maintenance Group don their own Mission Oriented Protective Posture (MOPP) gear, then help their wingman to do so during an Ability to Survive and Operate (ATSO) training Saturday, Aug. 5, 2017 at Naval Air Station Fort Worth Joint Reserve Base, Texas. Once in full gear, reservists went to their F-16 Fighting Falcon to perform their pre-flight duties after a simulated tactical chemical attack scenario. (U.S. Air Force photo/ Tech. Sgt. Jeremy Roman))