ATSO Rodeo
Staff Sgt. David Gerig, 375th Civil Engineer Squadron explosive ordinance disposal technician, speaks about unexploded ordinances during Ability to Survive and Operate Rodeo Jan. 12, 2012 at Scott Air Force Base, Ill. The proper way to identify an unexploded ordinance is by using the five C's: confirm, control, check, cordon and clear. (U.S. Air Force photo/ Airman 1st Class Divine Cox)