 Pari gbolohun ti o tẹle: Ni Oṣu Kẹrin ọdun 1864, Batiri I, 1st US Artillery ti dapọ pẹlu Batiri H, 1st US Artillery, ṣiṣẹda Batiri H  I, 1st US Artillery ni idapo labẹ aṣẹ Randol. Ní May 1864, Battery H  I darapọ mọ Major General Ulysses S. Grants Overland Campaign, tí ó wà ní àkókò ogun náà. : Ogun ti Wilderness ati Spotsylvania Courthouse pẹlu Artillery Reserve ati nigbamii ti sopọ si Ẹka Keji ti Ẹgbẹ Ẹṣin, Oogun ti Potomac ni Oṣu Karun. Ó wà nígbà ogun Cold Harbor ní ìjọ St. Marys. Ni Oṣu Keje, batiri naa ni o pọju ninu ibudó atunṣe lẹhin awọn adanu ohun elo ti o lagbara ti o waye lakoko ipolongo naa, tun darapọ mọ ẹka Gregg ni Oṣu Keje 25 ni Ogun ti First Deep Bottom, lẹhinna o wa nitosi Ogun ti Crater ti Randol tọka si bi min fiasco ati Ogun ti Lees Mill nipasẹ Oṣu Keje 30. 