Staff Sgt. Julie Newby, 23d Medical Support Squadron physical evaluation board liaison officer, instructs Airmen from the 23d Civil Engineer Squadron during an Ability to Survive and Operate (ATSO) Rodeo, Sept. 20, 2018, at Moody Air Force Base, Ga. Approximately 2,000 Airmen executed self-aid and buddy care, security and chemical attack avoidance missions under duress in a simulated chemical warfare environment. Testing and enhancing their operational readiness, this prepared the 23d Wing for the upcoming Phase II exercise during Nov. 5-8, 2018, which will be conducted for the first time in seven years. (U.S. Air Force photo by Airman Taryn Butler)