Staff Sgt. Kate Vojtko, 921st Contingency Response Squadron operations flight, provides perimeter security Jan. 16, 2020, at the Geronimo Landing Zone at the Joint Readiness Training Center on Fort Polk, Louisiana. Vojtko and the rest of the contingency response element from Travis Air Force Base, California, have ascended on the Joint Readiness Training Center to gain experience working with joint and multinational partners. (U.S. Air Force photo by Tech. Sgt. David W. Carbajal)