Battery D is honored by a monument at Gettysburg.

1861
June 10-July 7 Rockville Expedition
September 11 Lewinsville, Va.,
September 25 Reconnaissance to Lewinsville
October Duty in the Defenses of Washington attached to Porter’s Division, Army Potomac
October 22 Edward’s Ferry
1862
March Ordered to the Virginia Peninsula and attached to Artillery, 1st Division, 3rd Army Corps, Army of the Potomac
April 4 Howard’s Mills
April 5 Warwick Road
April 5-May 4 Siege of Yorktown
May Attached to Artillery, 1st Division, 5th Army Corps, Army Potomac
May 27 Hanover Court House
May 27-29 Operations about Hanover Court House
June 25-July 1 Seven days before Richmond
June 26 Mechanicsburg
June 27 Gaines Mill
June 30 Turkey Bridge
July 1 Malvern Hill
July At Harrison’s Landing
August 16-23 Moved to Fortress Monroe, then to Alexandria
September 6-22 Maryland Campaign
September 16-17
Battle of Antietam

Commanded by Lieutenant Charles E. Hazlett, the battery brought two Napoleons and four 10-Pounder Parrot Rifles to the field.

September 19 Shepherdstown Ford
October 16-17 Reconnaissance to Smithfield, Va. and Kearneysville and Shepherdstown
December 12-15 Battle of Fredericksburg, Va.,
December 29-30 Expedition from Potomac Creek to Richards and Ellis Fords, Rappahannock River
1863
April 27-May 6 Chancellorsville Campaign
May 1-5 Battle of Chancellorsville
May Attached to Artillery Brigade, 5th Army Corps
June 11-July 24 Gettysburg Campaign
July 1-3
Battle of Gettysburg

Commanded by Lieutenant Charles E. Hazlett, the battery brought six rifled 10 Pounders to the field. Lt. Hazlett managed to move the battery to the top of Little Round Top and was mortally wounded there by a sharpshooter.

From the monument on Little Round Top at Gettysburg:

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

October 9-22 Bristoe Campaign
November 7-8 Advance to line of the Rappahannock
November 7 Rappahannock Station
November 26-December 2 Mine Run Campaign
December At Camp Barry, Washington, D.C., attached to 22nd Army Corps
1864
March Attached to Artillery Brigade, 5th Army Corps
May 4-June 12 Rapidan Campaign
May 5-7
Battle of the Wilderness
May 8-21
Spotsylvania Court House
May 22-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 1-3 Bethesda Church
June 16 – April 2 Siege of Petersburg
August 18-21 Weldon Railroad
November Consolidated with Battery G and assigned to Artillery Reserve, Army of the Potomac
1865
March 28-April 9 Appomattox Campaign
March 29 Junction of Quaker and Boydton Roads and Lewis’ Farm
March 31 White Oak Road
April 1
Battle of Five Forks
April 9 Appomattox Court House. Surrender of Lee and his army.
May Moved to Washington, D.C.
May 23 Grand Review
June Duty at Washington, D.C. assigned to 22nd Army Corps