Adjutant-General 3d Army Corps, staff of Major General Heintzelman; subsequently under General Banks.
Captain Julius Spring,
on staff of General Van Buren.
Lieutenant M. Szegely,
on staff of General Sigel.
Major Joseph Franklin Tobias,
aide-de-camp with rank of Major to Major-General D. B. Birney (April 14, 1862—May 16, 1864).