Department of Virginia July 1861 United States Army < to June • July 1861 • to August > Commanded by Major General Benjamin F. Butler Fortress Monroe and Camp Hamilton 1st Massachusetts Infantry Battalion 3rd Massachusetts Militia Infantry Colonel David Wardrop to Massachusetts to muster out 7/16 1st New York Mounted Rifles Major Charles C. Dodge from New York 3rd New York Infantry Regiment Lt. Colonel Samuel M. Alford to Baltimore 7/30 10th New York Infantry Regiment Lt. Colonel Alexander Elder 20th New York Infantry Regiment Colonel Max Weber 99th New York Infantry Regiment Colonel David W. Wardop mustered in at Fort Monroe 2nd United States Artillery, Battery B 2nd United States Artillery, Battery L 4th United States Artillery, Battery D 4th United States Artillery, Battery L Newport News 4th Massachusetts Infantry Regiment Colonel Abner B. Packard to Massachusetts to muster out 7/22 7th Massachusetts Independent Battery 1st New York Infantry Regiment Col. William H. Allen (cashiered) Colonel Garrett W. Dyckman 2nd New York Infantry Regiment Colonel Joseph B. Carr 4th New York Infantry Regiment Colonel Alfred W. Taylor to Baltimore 7/26 5th New York Infantry Regiment Colonel Abram Duryee to Baltimore 7/26 7th New York Infantry Regiment Colonel John E. Bendix 9th New York Infantry Regiment Colonel Rush Hawkins 1st Vermont Infantry Regiment Lt. Colonel Peter T. Washburn
