Geri Genant, Xenex Healthcare Services implementation manager demonstrates the capabilities of “Saul”, a germ-zapping robot to U.S. Air Force Airmen at Langley Air Force Base, Va., Oct. 20, 2014. The 633rd Medical Group partnered with Xenex, Saul’s creator of the robot in effort to provide a safer healthcare facility for the Joint Base Langley-Eustis community. (U.S. Air Force photo by Staff Sgt. Antoinette Gibson/Released)