The 15th Independent New York Battery lost 8 enlisted men killed and mortally wounded and 3 enlisted men to disease during the Civi War. The battery is honored by a monument at Gettysburg.

1862
October Organized from Battery “B,” 2nd Battalion, New York Light Artillery. Attached to 8th Army Corps, Middle Department.
October Duty at Relay House, Md.
1863
January Attached to Artillery Reserve, Army of the Potomac
April 27-May 6 Chancellorsville Campaign
May 1-5 Battle of Chancellorsville
May Attached to 1st Volunteer Brigade, Artillery Reserve, Army of the Potomac
July 1-3
Battle of Gettysburg
August On line of the Rappahannock. Attached to 4th Volunteer Brigade, Artillery Reserve, then 3rd Volunteer Brigade, Artillery Reserve
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 2nd Brigade, Artillery Reserve, Army of the Potomac
1864
May 3-June 15 Rapidan Campaign
May 5-7
Battle of the Wilderness
May 8-21
Battle of Spottsylvania Court House
May 16 Attached to Artillery Brigade, 5th Army Corps
May 23-26 North Anna River
May 23 Jericho Ford
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 1-3 Bethesda Church
June 16-18 Before Petersburg
June 16 Siege of Petersburg begins
August 18-21 Weldon Railroad
September 29-October 2 Poplar Springs Church
December Duty in the Defenses of Washington, D.C. attached to 22nd Army Corps, and in the Dept. of West Virginia attached to Reserve Division, Dept. of West Virginia
1865
February 4 Transferred to 32nd New York Independent Battery Light Artillery