District of Columbus, Kentucky, 13th Army Corps, Department of the Tennessee, to December, 1862.

District of Columbus, Kentucky, 16th Army Corps, Department of the Tennessee, to June, 1863.

1st Brigade, Turchin's 2nd Cavalry Division, Army of the Cumberland, to October, 1863.

Moved toward Nashville, Tennessee, repairing roads and erecting telegraph lines April 3–6.

Expedition from Maysville to Whitesburg and Decatur November 14–17, 1863, to destroy boats on the Tennessee River.

Outpost duty on line of Tennessee River from south of Huntsville to Bellefonte, Alabama, November and December, 1863.

The battalion remained in garrison at Fort Snelling until May 1864 when it was transferred to Sioux City, Iowa, moving there from May 2–25, 1864.

It participated in Brigadier General Alfred Sully's Northwestern Indian Expedition against "hostile" Sioux west of the Missouri River from June 4, 1864 to November 10, 1864.

The battalion marched to Fort Sully from June 4–15, 1864, and pursued Indians to the Badlands from July 19–28.

Then it participated in the Battle of Tah Kah A Kuty or Killdeer Mountain, Dakota Territory on July 28, 1864.

After that action it marched to Fort Rice from June 28 to July 7, 1864, then made the passage of the Badlands of Dakota Territory from August 3–18.

During this time, the battalion fought in the engagement near the Little Missouri River at Two Hills, the Battle of the Badlands, Dakota Territory, from August 8–9, 1864.

The Minnesota companies also helped in the rescue of Fisk's Emigrant train, from September 10–30, 1864.

The battalion spent the winter of 1864-1865 and the spring at Fort Ridgely, Minnesota and then served in Brigadier General Alfred Sully's operations against the Sioux from May to October, 1865.

The Minnesotans spent October, 1865 until May, 1866 on patrol duty from Sioux City, Iowa to Fort Randall, Dakota Territory, with headquarters at Sioux City, Iowa before being mustered out on June 1, 1866.

During service, Brackett's Cavalry Battalion lost 1 officer and 4 enlisted men killed in action or died of wounds received in battle and 6 enlisted men by disease, for a total of 11 fatalities.