The battery was commanded at the Battle of Gettysburg by Lieutenant Charles E. Hazlett, an 1861 graduate of West Point from Newark, Ohio. Hazlett was killed on July 2nd during the fighting for Little Round Top, and Lieutenant Benjamin F. Rittenhouse took over the battery.
A nearby monument honors Lieutenant Hazlett and Brigadier General Weed, who was mortally wounded with Hazlett on Little Round Top.
From the monument:
Army of the Potomac
Fifth Corps Artillery Brigade
Battery D Fifth U.S. Artillery
Six Rifled 10 Pounders
Lieut. Charles E. Hazlett commanding
July 2 Marched to the left of the Union line about 4.30 p.m. and in rear of Brig. General J. Barnes’s First Division Fifth Corps. Immediately upon taking position here at 5:45 opened fire upon the Confederates who were engaging the Division. The battery kept up a continuous fire until after dark. Lieut. Hazlett was mortally wounded and the command devolved upon Lieut. Benjamin F. Rittenhouse.
July 3 Remained in position and in the afternoon did effective service on the lines of infantry engaged in Longstreet’s Assault.
Casualties: Killed 1 officer and 8 men, wounded 5 men
See more on the 5th United States Artillery, Battery D in the Civil War