Bealeton, Virginia. Officer's Mess. Company F, 93d New York Volunteers Headquarters, Army Of The Potomac (U.S. Civil War) This product title refers to a historic site related to the United States Civil War. Specifically, it designates an officer's mess located in Bealeton, Virginia, which was the headquarters of Company F, 93d New York Volunteers, part of the Army of the Potomac. During the American Civil War (1861-1865), the Army of the Potomac was the primary Northern field army during the Eastern Theater of the war. The exact nature and condition of this particular site are not specified in the title, but it is associated with significant historical events from this period.