Get your dirty gas out of here
U.S. Air Force Tech. Sgt. Shanice Spearman, Aerospace Fuels Laboratory NCO in charge, pours a fuel sample into a test tube with a copper strip for corrosion standards testing Jan. 24, 2018, at Kadena Air Base, Japan. The Air Force Petroleum Office develops fuel quality assurance, surveillance standards and fuel product specifications. (U.S. Air Force photo by Airman 1st Class Greg Erwin)