Third U.S. Infantry

As part of the Army of the Potomac's Fifth Corps, Second Division, First Brigade, the Third U.S. Infantry, consisting of six companies under Captain Henry W. Freedly and Captain Richard G. Lay, arrived on July 2 in the morning and took position near the line of the Twelfth Corps. The regiment moved with the brigade from the right to the left of the line and at 5 p.m. advanced across Plum Run near Little Round Top, supporting the Second Brigade in its advance to the crest of the rocky wooded hill beyond. Facing to the left, it engaged the Confederates but retired under deadly fire on the left, right, and rear after the Confederates gained a position in the Wheatfield behind the brigade, then took position on the east slope of Little Round Top. On July 3 it remained in the same position. On July 4 the regiment moved with the brigade in a reconnaissance that developed a force of Confederate infantry and artillery in strength. Casualties were 3 men killed, 4 officers and 83 men wounded, and 1 man missing.

Pennsylvania · United States