Union Army
 Battle of Fair Oaks http://www.brettschulte.net/CWBlog/wp-admin/post-new.php
31 May - 1 June 1862 

Commanding General: Major General George B.McClellan
II Army Corps: Major General E.V.Sumner
Provost Guard: K/6th New York Cavalry
     1st Division: Major General I.B.Richardson
          1st Brigade: Brigadier General O.O.Howard
               5th New Hampshire Regiment
               61st New York Regiment
               64th New York Regiment
               81st Pennsylvania Regiment

Seven Days: Under 3rd Brigade, 1st Division June 25 to July 1

3rd Brigade
2nd Delaware
52nd New York
57th New York
64th New York
66th New York
53rd Pennsylvania