Airmen collect chemical, biological, radiological and nuclear equipment required for the Ability to Survive and Operate Rodeo at McConnell Air Force Base, Kan., Oct. 31, 2017. An estimated 180 airmen participated in the ATSO rodeo and received training through the 22nd Security Forces Squadron, 22nd Civil Engineer Squadron and the 22nd Medical Group. Air Force photo by Airman 1st Class Alan Ricker