821 POL
U.S. Air Force Tech. Sgt. Kathleen Franklin, 821st Expeditionary Training Squadron petroleum oil & lubrication class advisor, displays to an Iraqi student how to use a Flash Point Tester during class at Camp Taji, Iraq, Feb. 13, 2010. This POL class is advised by U.S. Air Force personnel who teach the Iraqi military how to be self sufficient in protecting their equipment and personnel while checking fuel for contaminants that can be potentially hazardous. (U.S. Air Force photo/Master Sgt. Trish Bunting/Released)