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He is responsible for the supervision of the Military Department of Tennessee that includes the Army National Guard, the Air National Guard, the Tennessee Emergency Management Agency, and the Tennessee State Guard.
describes how wartime Unionists who later styled themselves Radical Republicans briefly held power, including the governor's seat, in Tennessee after the Civil War, and used the Tennessee State Guard as their main weapon to oppose those trying to thwart plans for national unification.
After four policemen were shot in a barrage of gunfire, the state highway patrol and the Tennessee State Guard were summoned.