The Civil War in the East

U.S. Army

Army of the Potomac

Major General George B. McClellan

 

         
   
   
         

On May 18, 1862, the Third and Fourth Corps gave up one of their three divisions to serve as the nucleus of a re-created Fifth Corps and a newly-created Sixth Corps.

Headquarters

   
     

Second Army Corps

Major General Edwin V. Sumner

 

1st Division

Brigadier General I. B. Richardson

 

2nd Division

Brigadier General J. Sedgwick

 

Third Army Corps

Major General Samuel P. Heintzelman

(promoted to Major General 5/5)

1st Division

Brigadier General Fitz John Porter

Transferred to 5th Army Corps 5/18

2nd Division

Brigadier General J. Hooker

 

3rd Division

Brigadier General P. Kearney

 

Fourth Army Corps

Major General Erasmus Keyes

(promoted to Major General 5/5)

1st Division

Brigadier General D. N. Couch

 

2nd Division

Brigadier General W. F. Smith

transferred to 6th Army Corps 5/18

3rd Division

Brigadier General S. Casey

 

Fifth Army Corps

Brigadier General Fitz John Porter

recreated 5/18

1st Division

Brigadier General G. W. Morrell (to 6/30)

 

2nd Division

Brigadier General G. Sykes

 

Sixth Army Corps

Major General William B. Franklin

created 5/18

1st Division

Brigadier General H. W, Slocum

 

2nd Division

Brigadier General W. F. Smith