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It was attached to the 1st Brigade of the 3rd Provisional Division, Army of the Shenandoah, and guard duty at Charleston, Stevenson's Station, Summit Point, Berryville, Harpers Ferry, West Virginia and Maryland Heights, Missouri till early August.
The regiment left Ohio for Harpers Ferry, West Virginia, March 22-25; then to Winchester, Virginia, and was assigned to Brooks' Provisional Division, Army of the Shenandoah.
Over the course of his first weeks in command, Beauregard sent to Confederate president Jefferson Davis various plans for an offensive against Union forces in northern Virginia, which usually involved coordination with Joseph E. Johnston's Army of the Shenandoah.