Battle of Fort Stevens order of battle: Union

The following Union Army units and commanders fought in the Battle of Fort Stevens of the American Civil War on July 11–12, 1864. The Confederate order of battle is listed separately.

Abbreviations used

Military rank

MG = Major GeneralBG = Brigadier GeneralCol = ColonelLtc = Lieutenant ColonelMaj = MajorCpt = Captain

Other

w = woundedk = killed

Defenses of the Potomac River & Washington

MG Alexander McDowell McCook

Chief of Engineers: Ltc Barton Stone Alexander
Aide-de-Camp: Col Norton Parker Chipman

Division	Brigade	Regiments and Other
Emergency Division BG Montgomery C. Meigs	First Brigade BG Daniel H. Rucker	Quartermaster's employees Detachment from Provisional Brigade
Emergency Division BG Montgomery C. Meigs	Second Brigade BG Halbert E. Paine	2nd District of Columbia: Col Charles Madison Alexander 12th Regiment, Veteran Reserve Corps Quartermaster's employees, three companies
Emergency Division BG Montgomery C. Meigs	3rd Brigade Col Richard Butler Price Col Addison Farnsworth, July 12	Quartermaster's employees Convalescents
Emergency Division BG Montgomery C. Meigs	Cavalry	Dismounted cavalry detachment: Maj George G. Briggs 25th New York Cavalry : Maj Charles J. Seymour

VI Corps

MG Horatio G. Wright

Division	Brigade	Regiments and Others
First Division BG David A. Russell	1st Brigade Col William H. Penrose	4th New Jersey: Cpt Ebenezer Davis 10th New Jersey: Ltc Charles H. Tay 15th New Jersey: Ltc Edward L. Campbell
First Division BG David A. Russell	2nd Brigade BG Emory Upton	2nd Connecticut Heavy Artillery: Col Ranald S. Mackenzie 65th New York: Col Joseph E. Hamblin 67th New York: Cpt Henry C. Fisk 95th Pennsylvania: Maj Francis Joshua Randall 96th Pennsylvania: Ltc William S. Lessig 121st New York: Maj Henry Galpin
First Division BG David A. Russell	3rd Brigade Col Oliver Edwards	2nd Rhode Island: Cpt Elisha Hunt Rhodes 5th Wisconsin Battalion: Cpt Charles W. Kempf 6th Maine Battalion: Maj George Fuller 37th Massachusetts: Ltc George Montague 23rd Pennsylvania: Col John F. Glenn 49th Pennsylvania: Maj Amor W. Wakefield 82nd Pennsylvania: Ltc John M. Wetherill 119th Pennsylvania: Ltc Gideon Clark
Second Division BG George W. Getty	1st Brigade BG Frank Wheaton	62nd New York: Cpt Lewis J. Stewart 93rd Pennsylvania: Ltc John S. Long 98th Pennsylvania: Ltc John B. Kohler 102nd Pennsylvania: Maj Thomas McLaughlin 139th Pennsylvania: Maj Robert Munroe
Second Division BG George W. Getty	2nd Brigade BG Lewis A. Grant	1st Vermont Heavy Artillery: Maj Aldace F. Walker 2nd Vermont: Ltc Amasa S. Tracy 3rd Vermont: Ltc Samuel E. Pingree 4th Vermont: Col George P. Foster 5th Vermont: Cpt Friend H. Barney 6th Vermont: Ltc Oscar A. Hale
Second Division BG George W. Getty	3rd Brigade Col Daniel Bidwell	7th Maine: Cpt John W. Channing 43rd New York: Cpt Volkert V. Van Patten 49th New York : Ltc George W. Johnson, Cpt Erastus D. Holt 77th New York: Ltc Winsor B. French 122nd New York: Maj Jabez M. Brower 61st Pennsylvania : Cpt William H. Rodgers
Artillery	Artillery BrigadeCol Charles H. Tompkins	5th Maine Light Artillery: Cpt Greenlief T. Stevens 1st Massachusetts Light Artillery, Battery A: Cpt William H. McCartney 1st New York Light Artillery, Battery: Cpt Andrew Cowan 1st Rhode Island Light Artillery, Battery C: Cpt Richard Waterman 1st Rhode Island Light Artillery, Battery G: Cpt George W. Adams 5th U.S. Artillery, Battery M: Cpt James McKnight

XIX Corps (Detachment)

MG Quincy A. Gillmore

Division	Brigade	Regiments and Others
First Division BG William Dwight	1st Brigade Col George L. Beal	29th Maine: Ltc Charles S. Emerson 30th Massachusetts: Col Samuel D. Shipley 114th New York: Col Samuel R. Per Lee 116th New York: Col George M. Love 153rd New York: Col Edwin P. Davis
First Division BG William Dwight	2nd Brigade BG James W. McMillan	12th Connecticut: Ltc Frank H. Peck 13th Maine: Col Henry Rust II 15th Maine: Col Isaac Dyer 47th Pennsylvania: Col Tilghman H. Good 8th Vermont: Col Stephen Thomas
First Division BG William Dwight	3rd Brigade Col Leonard D. H. Currie	30th Maine: Cpt George W. Randall 133rd New York: Cpt Anthony J. Allaire 160th New York: Ltc John B. Van Petten 165th New York: Maj Felix Agnus 173rd New York: Maj George W. Rogers
First Division BG William Dwight	Division Artillery	New York Light Artillery, 5th Battery 1st Rhode Island Artillery, Battery D: Cpt William W. Buckley
Second Division BG Cuvier Grover	3rd Brigade Col Jacob Sharpe	38th Massachusetts: Ltc James P. Richardson 128th New York: Ltc James P. Foster 156th New York: Ltc Alfred Neafie 175th New York: Cpt Charles McCarthey 176th New York: Maj Charles Lewis
Second Division BG Cuvier Grover	4th Brigade Col David Shunk	8th Indiana: Ltc Alexander J. Kinney 18th Indiana: Ltc William S. Charles 24th Iowa: Ltc John Q. Wilds 28th Iowa: Ltc Bartholomew W. Wilson

XXII Corps and Department of Washington

MG Christopher C. Augur

Division	Brigade	Regiments and Others
Defenses North of the Potomac BG Martin D. Hardin	1st Brigade Col James M. Warner	151st Ohio: Col John M. C. Marble 13th Michigan Battery: Lt Charles Dupont 14th Michigan Battery: Cpt Charles Heine 9th New York Heavy Artillery 1st Pennsylvania Artillery Battalion: Maj Joseph M. Knap 1st Rhode Island Light Artillery, Battery D: Cpt William M. Buckley 2nd U.S. Artillery, Battery I 3rd U.S. Artillery, Battery G 4th U.S. Artillery, Battery A: Lt Rufus King, Jr.
Defenses North of the Potomac BG Martin D. Hardin	2nd Brigade Ltc Joseph A. Haskin	150th Ohio: Col William H. Hayward 170th Ohio: Col Miles J. Saunders New Hampshire Heavy Artillery, 1st Company: Cpt Charles H. Long 1st Ohio Light Artillery, Battery L: Cpt Franklin C. Gibbs 2nd Pennsylvania Heavy Artillery: Cpt John Norris 2nd U.S. Artillery, Battery I: Lt William P. Graves 7th Veteran Reserve Corps 21st Veteran Reserve Corps
Defenses North of the Potomac BG Martin D. Hardin	3rd Brigade Ltc John H. Oberteuffer	Massachusetts Heavy Artillery 3rd U.S. Artillery, Battery G: Lt Herbert F. Guthrie 1st Pennsylvania Light Artillery
Defenses South of the Potomac BG Gustavus A. DeRussy	1st Brigade Col Joseph N. G. Whistler	145th Ohio: Col Henry C. Ashwill 147th Ohio: Col Benjamin R. Rosson 164th Ohio: Col John C. Lee, Ltc Augustus S. Bement 1st Maine Artillery, Battery A: Cpt Albert W. Bradbury Maryland Light Artillery, Battery A: Cpt James H. Rigby Maryland Light Artillery, Battery D: Cpt John M. Bruce 6th Massachusetts 18th Massachusetts 1st New York Light Artillery, Battery K: Cpt Solon W. Stocking 5th New York Battery: Cpt Elijah D. Taft 84th New York 1st Pennsylvania Light Artillery, Battery G: Cpt Beldin Spence 1st Pennsylvania Light Artillery, Battery H: Cpt Andrew Fagan 1st Rhode Island Artillery, Battery H 1st U.S. Artillery, Battery E 2nd U.S. Artillery, Battery G: Lt James E. Wilson
Defenses South of the Potomac BG Gustavus A. DeRussy	2nd Brigade Col Thomas Wilhelm	Massachusetts Heavy Artillery, 15th Company 16th Massachusetts Independent Battery Pennsylvania Light Artillery, Battery C: Capt James Thompson Pennsylvania Light Artillery, Battery I: Cpt Robert J. Nevin 1st New York Heavy Artillery, Battery K 17th New York Artillery, Independent Battery 169th Ohio: Col Nathaniel Haynes 1st Rhode Island Light Artillery, Battery H: Cpt Crawford Allen 1st U.S. Artillery, Battery E: Lt Frank S. French
Defenses South of the Potomac BG Gustavus A. DeRussy	3rd Brigade created 10 July Col William Smith Irwin	Maryland Artillery, Battery D 136th Ohio: Col William Smith Irwin 142nd Ohio 166th Ohio: Col Harrison G. Blake 16th Indiana Battery: Cpt Charles R. Deming Massachusetts Heavy Artillery, 15th Company: Cpt Joseph M. Parsons 1st New York Heavy Artillery, Battery F: Cpt William R. Wilson 1st Pennsylvania Heavy Artillery, Independent Battery 72nd Pennsylvania 106th Pennsylvania
Defenses South of the Potomac BG Gustavus A. DeRussy	4th Brigade created 2 July Maj. Charles C. Meservey	66th New York 136th Ohio 10th New York Heavy Artillery 1st West Virginia Light Artillery, Battery C: Cpt Wallace Hill 1st Wisconsin Heavy Artillery, Company A 2nd Massachusetts Cavalry
Defenses South of the Potomac BG Gustavus A. DeRussy	Cavalry Col Charles Russell Lowell	2nd Massachusetts Cavalry: Ltc Caspar Crowninshield 13th New York Cavalry: Col Henry Gansevoort 16th New York Cavalry: Col Henry M. Lazelle
District of Washington Col Moses N. Wisewell	1st Veteran Reserve Brigade Col George W. Gile	1st Regiment, Veteran Reserve Corps 9th Regiment, Veteran Reserve Corps 6th Regiment, Veteran Reserve Corps 19th Regiment, Veteran Reserve Corps 20th Regiment, Veteran Reserve Corps 22nd Regiment, Veteran Reserve Corps
District of Washington Col Moses N. Wisewell	Not brigaded	27th Pennsylvania, Company F 150th Pennsylvania, Company K Union Light Guard U.S. Ordnance Detachment
Cavalry Division Col William Gamble	1st Division Cpt Benjamin Rockafellow	1st Brigade: Lt Charles Parker ' 2nd Brigade: Lt William J. Allen ' Reserve Brigade: Lt Marcellus E. Jones '
Cavalry Division Col William Gamble	2nd Division Cpt James T. Peale	1st Brigade: Lt George W. Brooks ' 2nd Brigade: Cpt Robert A. Robinson '
Cavalry Division Col William Gamble	3rd Division Maj Henry W. Sawyer	1st Brigade: Cpt Robert Loudon ' 2nd Brigade: Lt George W. Byard
District of Alexandria BG John P. Slough	2nd Veteran Reserve Brigade Col William H. Browne	3rd Regiment, Veteran Reserve Corps: Ltc John Spiedel 12th Regiment, Veteran Reserve Corps: Col Addison Farnsworth
District of Alexandria BG John P. Slough	Not brigaded	1st District of Columbia: Ltc Robert Boyd Pennsylvania Light Artillery, Battery H: Cpt William Borrowe 8th Illinois Cavalry, Company D: Cpt Henry J. Hotop 1st Michigan Cavalry, Company D: Cpt Thurlow W. Lusk

Front Line Commanders

In addition to their own commands these officers supervised a section of Washington's fortifications during the battle.

Commander	Line
Alexander M. McCook	Defenses of the Potomac River & Washington
Quincy A. Gillmore	Northeast Line: Fort Lincoln to Fort Totten
Montgomery C. Meigs	Northern Line: Fort Totten to Fort DeRussy
Martin D. Hardin	Northwest Line: Fort DeRussy to Fort Sumner
Horatio G. Wright	Reserve troops