2nd Brigade, 1st Division, Army of the Frontier, Department of Missouri, to February 1863.
2nd Brigade, District of the Frontier, VII Corps, Department of Arkansas, to March 1864.
On May 22, 1862, an order was received from District Headquarters for the 2nd Kansas Cavalry to provide a 150-man detail to man a battery of six 10-pdr Parrott rifles at Fort Leavenworth.
Some officers were ordered to return to the regiment, while the remaining men were mounted and ordered to reinforce Major General Don Carlos Buell in northern Alabama.
This detachment ultimately participated in the Kentucky Campaign, saw minor action at the Battle of Perryville and captured a rebel flag and 24 prisoners at Lancaster, Kentucky, in a skirmish there.