Watchful eye
Airman 1st Class Roderius Spearman, 9th Logistics Readiness Squadron Petroleum, Oil and Lubricants distribution system operator, operates a fuels cart that is connected to an underground fuel line during a refueling exercise September 6, 2019 at Beale Air Force Base, California. (U.S. Air Force photo by Tech. Sgt. Alexandre Montes)