Senior Airman Taylor Lahteine, an explosive ordnance disposal journeyman assigned to the 379th Expeditionary Civil Engineer Squadron, operates a Remotec Andros F6A Remote Ordnance Neutralization System during a joint chemical threat training exercise at Al Udeid Air Base, Qatar, Nov. 25, 2017. The robot, which has chemical detection capability, was used to perform initial reconnaissance on an unknown object in the scenario. (U.S. Air National Guard photo by Staff Sgt. Patrick Evenson)