An unexploded ordnance is shown resting on the ground during the Ability to Survive and Operate Rodeo held at Joint Base Andrews, Md., Jan. 11, 2018. Groups of 10 to12 Airmen went to five stations to train on self-aid and buddy care, defensive fighting positions and pre- and post-chemical, biological, radiological and nuclear defense attack simulations. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)