The 2nd Connecticut Heavy Artillery Regiment (originally raised as the 19th Connecticut Infantry) was a volunteer infantry regiment which served in the Union Army during the American Civil War.
In September, Wessells resigned due to ill health and Kellogg was promoted to colonel in his place.
In May 1864, the 2nd was sent to the Army of the Potomac, where it was assigned to the Second Brigade, First Division, VI Corps.
The 2nd Connecticut's first battle was at Cold Harbor on June 1, 1864, where it suffered 323 men killed or wounded, including Kellogg dead with two bullets to the head.
It was transferred to the VI Corps to participate in the 1864 Shenandoah Campaign, during which it suffered heavy losses.
After participating in the Grand Review, the regiment garrisoned several forts around Washington.
2 Officers 171 Enlisted men by disease The 2nd Connecticut Heavy Artillery losses suffered at Cold Harbor on the June 1 assault, and held their position for 36 hours.