Staff Sgt. Jennifer A. McKendry, EMT instructor coordinator and Medical Technician with the 914th Aeromedical Staging Squadron, oversees Tech. Sgt. Megan L. Houseman, Medical Technician, 914 ASTS, as she demonstrates proper oxygen administration to a mannequin at the Niagara Falls Air Reserve Station, N.Y., January 12, 2016. Houseman was one of 26 military students who took part in a biannual training to recertify for the National Registry for Emergency Medical Technicians. The joint training involved members of the 914 ASTS, 914th Aeromedical Evacuation Squadron, 914th Fire Emergency Services, and the 107th Attack Wing. (U.S. Air Force photo by Peter Borys)