Staff Sgt. Casey Crump records readings from a Wet Bulb Globe Temperature at Seymour Johnson Air Force Base during a June exercise. The WBGT instument is used to determine relative humidity and outside temperature. It also helps monitor flag readings to determine how long service members can stay outside before getting overheated.

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Keywords: 916th, afb, air, america, archive, armed, army, arw, defence, exercise, force, forces, johnson, military, navy, refueling, reportage, service, serviceman, servicemen, seymour, soldier, states, united, usa, wing