 The 11th Vermont Infantry was redesignated as the First Heavy Artillery, Eleventh Vermont Volunteers during its time in the defenses of Washington, but is usually grouped as part of the 1st Vermont Brigade.The 1st Battery mustered into United States service on February 18, 1862, with 154 men, and gained 63 recruits during its career.George W. Duncan was the battery's first captain, but it is named after George T. Hebard, who assumed command on the resignation of Duncan on February 11, 1863.