U.S. Air Force Senior Airman Paul Hartmire, an adviser with the 439th Air Expeditionary Advisory Squadron, adjusts his oxygen mask while suiting up for a live fire exercise at the Air University Fire Academy at Kabul International Airport, Afghanistan, Jan. 15, 2012. Afghan National Army (ANA) and ANA Air Force firefighters participated in a three day course that included training on controlled fires, protective equipment and training on safety procedures used in a controlled environment under the supervision of U.S. Air Force advisers.