Stockton's Independent Regiment at Plymouth and Detroit, Michigan between July and September, 1861.

It was mustered into U.S. service as the 16th Regiment, Michigan Volunteer Infantry on Sept. 8, 1861 with an enrollment of 761 officers and men.

The Regiment left Detroit for Washington, D.C., on Sept. 16, 1861 to join Butterfield's Brigade, Fitz John Porter's Division, Army of the Potomac.

At the Battle of Gettysburg on the second day they defended Little Round Top against a determined Confederate attack aimed at flanking the Union Army.

Vincent was mortally wounded during one Texas charge and died on July 7, after receiving a deathbed promotion to brigadier general.