[1] The battery was assigned to duty as Pontooneers, McDowell's Department of the Rappahannock, April to June 1862.
Battery assigned to 1st Maine Heavy Artillery as Company M, March 28, 1863.
Attached to Camp Barry, Defenses of Washington, XXII Corps, April to July 1864.
[2] During the siege of Petersburg, the battery participated in the infamous effort to mine and then blow up the Confederate defenses.
The effort resulted in a crater caused by the explosion and the soldiers weren't prepared with ladders or other equipment to take advantage of the gap in the lines.
The Confederates overcame disorder caused by the explosion and repulsed the Union soldiers with significant casualties.