Staff Sgt. Charlie Hemstock, 9th Aircraft Maintenance Squadron crew chief, uses specialized fuel to refuel a U-2 Dragon Lady before it is prepped for another flight at Beale Air Force Base, Calif., June 20, 2017. The U-2 can reach an altitude of 70,000 feet and has a flight range of more than 7,000 miles.

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Keywords: 9th, air, america, amxs, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa