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ORDER OF BATTLE, ARMY OF NORTHERN VIRGINIA,

Union army of Virginia

 

Union Army I Corps Franz Sigel

1st Division Robert Schenck

1st Brigade Julius Stahel

8th NY

41st NY

45th NY

27th PA

2nd NY Battery

169

4

I

4-5-4

4-4-4

0

4

2nd Brigade Nathaniel McLean

25th Ohio

55th Ohio

73rd Ohio

75th Ohio

1st Ohio Artillery

434

4

I

4-5-4

4-4-4

0

4

2nd Division Adolph Steinwehr

1st Brigade John Coltes

29th NY

68th NY

73rd PA

401

3

I

4-4-4

3-4-4

0

3

2nd Brigade Wladmir Krzyzanowski

54th NY

58th NY

75th PA

2nd NY Artillery

372

3

I

3-4-4

2-4-4

0

3

Unattached

3rd WVA cav

1st Ohio Art

4

1

C

1-2-6

1 step

0

1

Independent Brigade Robert Milroy

2nd WVA

3rd WVA

5th WVA

82nd Ohio

1st WVA cav

12th Ohio Artillery

437

5

I

5-6-4

4-6-4

0

5

Cavalry Brigade John Beardsley

1st Conn

1st Md

4th NY

9th NY

6th Ohio

83

5

C

3-3-6

2-3-6

-1

3

Reserve Artillery Frank Buell

1st NY

13th NY

26

1

A

1-2-3

1 step

0

1

II Army Corps Cavalry Brigade John Buford

1st Mich

5th NY

1st VT

1st WVA

200

4

C

2-2-6

1-2-6

-1

2

III Army Corps Irvin McDowell

1st Division Rufus King

1st Brigade

22nd NY

24th NY

30th NY

84th NY

2nd Sharpshooters

772

5

I

5-5-4

4-5-4

0

5

2nd Brigade Abner Doubleday

56th PA

76th NY

95th NY

447

3

I

3-3-4

2-3-4

0

3

3rd Brigade Marsena Patrick

21st NY

23rd NY

35th NY

80th NY

568

4

I

4-4-4

3-4-4

0

4

4th Brigade John Gibbon

2nd WIS

6th WIS

7th WIS

19th IND

894

4

I

4-4-4

3-4-4

+1

4

Artillery

1st NH

1st RI

1st NY

4th US

46

4

A

2-5-3

1-3-3

0

2

2nd Division James Ricketts

1st Brigade Abrahm Duryea

97th NY

104th NY

105th NY

107th PA

391

4

I

4-4-4

3-4-4

-1

4

2nd Brigade Zealous Tower

26th NY

94th NY

88th PA

90th PA

696

4

I

4-4-4

3-4-4

-1

4

3rd Brigade George Harstuff

12th MASS

13th MASS

83rd NY

11th PA

657

4

I

4-4-4

3-4-4

0

4

4th Brigade Joseph Thoburn

7th IND

84th PA

110th PA

1st WVA

114

4

I

4-4-4

3-4-4

0

4

Artillery

2nd ME

5th ME

1st PA

54

2

A

2-5-3

1-3-3

0

2

Cavalry George Bayard

1st ME

2nd NY

1st NJ

1st PA

1st RI

127

5

C

3-3-6

2-3-6

-1

3

Reynolds Division John Reynolds

1st Brigade George Meade

3rd PA res

4th PA res

7th PA res

8th PA res

13th PA res

186

5

I

5-5-4

4-5-4

0

5

2nd Brigade Truman Seymor

1st PA res

2nd PA res

5th PA res

6th PA res

138

4

I

4-4-4

3-4-4

0

4

3rd Brigade Conrad Jackson

9th PA res

10th PA res

11th PA res

12th PA res

287

4

I

4-4-4

3-4-4

0

4

Artillery

1st PA

5th US

66

1

A

1-2-3

1 step

0

1

Unattached

3rd ME Artillery

16th IND Artillery

13th PA res

26

2

A

2-5-3

1-3-3

0

2

Reserve Corps Samuel Sturgis

Piatts Brigade Sanders Piatt

63rd IND

86th NY

145

2

I

2-2-4

1 step

0

2

Unattached

2nd NY Heavy Artillery

11th NY Artillery

77

2

I

(yes I)

3-4-4

2-4-4

0

2

Totals

-5

6

Union Army of the Potomac

III Corps S Heintzelman

1st Division David Birney

1st Brigade John Robinson

20th IND

63rd PA

105th PA

217

3

I

3-3-4

2-3-4

0

3

2nd Brigade David Birney

3rd ME

4th ME

1st NY

38th NY

40th NY

101st NY

57th PA

629

7

I

7-7-4

6-7-4

0

7

3rd Brigade Orlando Poe

37th NY

99th PA

2nd MICH

3rd MICH

5th MICH

178

5

I

5-5-4

4-5-4

0

5

Artillery

1st RI

1st US

3

1

A

1-2-3

1 step

0

1

2nd Division Joseph Hooker

1st Brigade Cuvier Grover

2nd NH

1st MASS

11th MASS

16th MASS

26th PA

487

5

I

5-5-4

4-5-4

0

5

2nd Brigade Nelson Taylor

70th NY

71st NY

72nd NY

73rd NY

74th NY

329

5

I

5-5-4

4-5-4

0

5

3rd Brigade Joseph Carr

2nd NY

5th NJ

6th NJ

7th NJ

8th NJ

115th PA

393

6

I

6-6-4

5-6-4

0

6

Unattached

6th ME Artillery

18

1

A

1-1-3

1 step

0

1

Vth Corps Fitz-John Porter

1st Division George Morell

1st Brigade Charles Roberts

18th MASS

(22nd MASS- not present)

13th NY

25th NY

1st MICH

576

4

I

4-4-4

3-4-4

0

4

3rd Brigade Daniel Buttefield

12th NY

17th NY

44th NY

83rd PA

16th MICH

590

5

I

5-5-4

3-5-4

0

5

Artillery + sharpshooters

1st US Sharpshooters

1st RI Artillery

6th US Artillery

67

2

A

2-5-3

1-3-3

0

2

2nd Division George Sykes

1st Brigade Robert Buchanan

3rd US

4th US

12th US

14th US

285

4

I

4-4-4

3-4-4

+1

4

2nd Brigade William Chapman

1st US

2nd US

6th US

10th US

11th US

17th US

218

6

I

6-6-4

5-6-4

+1

6

3rd Brigade Gouverneur Warren

5th NY

10th NY

412

2

I

2-2-4

1 step

+1

2

Artillery

1st US

5th US

3

1

A

1-2-3

1 step

0

1

IX Corps Jesse Reno

1st Division Isaac Stevens

1st Brigade Benjamin Christ

50th PA

8th MICH

231

2

I

2-2-4

1 step

+1

2

2nd Brigade Daniel Leasure

46th NY

100th PA

163

2

I

2-2-4

1 step

0

2

3rd Brigade Addisson Farnsworth

28th MASS

79th NY

339

2

I

2-2-4

1 step

0

2

Artillery

8th MASS

2nd US

13

1

A

1-2-3

1 step

0

1

2nd Division Jesse Reno

1st Brigade James Nagle

6th NH

46th PA

2nd MA

518

3

I

3-3-4

2-3-4

0

3

2nd Brigade Edward Ferrero

21st MASS

51st NY

51st PA

258

3

I

3-3-4

2-3-4

0

3

Totals

4

Notes

  1. Units, cavalry and artillery count as half units, not counted when combined with infantry Brigades.
  2. Attack strength, Union 1 per Infantry, 1/2 per cavalry or artillery. CSA ¾ per Infantry 1/2 per cavalry or artillery. Cavalry and artillery are rounded up for USA and down for CSA.
  3. Defence strength, add 1 to attack for each supporting battery. Artillery is double attack –1.
  4. Morale, CSA cavalry have +1, USA –1. USA units with suspiciously high regimental numbers have –1 (more recently raised). US regular infantry is +1. Jackson’s foot cavalry could all have +1 but this has been restricted to 2 Brigades.

 

Unit Summary

Confederate

Union

Infantry

29

33

Cavalry

3

4

Artillery

10

11

Forces Engaged /500

48,527 /500 = 97

75,696 /500 =151

Forces Engaged /500 (Battles + Leaders)

54,000

63,000

Average unit strength

2.7

3.6

Force ratio (web summary)

48,527 / 75,696

0.64

Force ratio

(Battles + Leaders)

54,000 / 63,000

0.86

Unit ratio

42 / 48

0.87

Attack SP ratio

137 / 156

0.88

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