In June, 1862, a company of Michigan troops organized as Company D of the regiment of the Western Sharpshooters. During the six months of 1862, it took part in the Capture of Fort Donalson, Shiloh and Corinth.

Company I of the First Regiment of the U. S. Sharpshooters was organized in March, 1862; Company C in August under Captain J. H. Baker and Company K under Captain W. H. Nash, July 7^th. These three companies served with the First U. S. Sharpshooters at Hanover Court House, Richmond and in and around Washington, D.C.

Company B was organized in September, 1861, under Captain Kin S. Dygert and served with the Sixteenth Michigan Infantry in 1861-1863.

Company B of the Second U. S. Sharpshooters served with the command under McDowell on the Potomac.