Staff Sgt. Timothy Andrews, NCO in charge of the fuels lab of the 1st Special Operations Logistics Readiness Squadron, checks a membrane filter for sediment at Hurlburt Field Fla, Oct. 25, 2016. Andrew checks the filters for sediment to see what kind and how much residue is found in the fuel.

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Photo credit: © David Wa / Alamy / Afripics
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Keywords: 1, 1solrs, air, airmen, america, archive, armed, army, commandos, defence, field, force, forces, fuel, hurlburt, military, navy, posey, reportage, service, serviceman, servicemen, soldier, sow, states, united, usa