An Airman tests a gas mask April, 2, 2019, at Moody Air Force Base, Ga. From April 15-19, 2019, Moody executed a base-wide exercise that required players to function at a high operations tempo in a chemical, biological, radioactive and nuclear environment to meet Chief of Staff of the Air Force and the Commander of Air Combat Command’s intent for readiness. (U.S. Air Force photo by Airman 1st Class Joseph P. Leveille)