 The final assault of the Overland Campaign came with the Battle of Cold Harbor—a number of futile attempts by Grant over the course of June 1–3 to break the heavily entrenched Confederate lines.The 22nd was active during all three days of the battle, particularly on June 3 when they were again deployed as skirmishers in front of their brigade, now commanded by Col. Jacob B. Sweitzer, in the vicinity of Bethesda Church.Sweitzer's brigade, with the 22nd in the advance, made a charge across open ground, pushing back the Confederate forces in their front.