In July 1867 the 9th Cavalry was ordered to western and southwestern Texas, to maintain law and order between the Rio Grande and Concho Rivers along a 630-mile line with seven forts from Fort Clark to Fort Quitman near present-day El Paso (the forts ended up including Fort Quitman, Fort Davis, Fort Stockton, Fort Lancaster, Fort Clark, Fort Duncan, Fort McKavett, and Fort Concho).
Regimental Headquarters and Troops A, B, E and K, under Col.
Hatch, were stationed at Fort Stockton; Troops C, D, F, G, H and I, under Lt.
Col.
Wesley Merritt were at Fort Davis.
Troops L and M under 1st Lt.
Hamilton had previously been sent to Brownsville.
The 9th remained in Texas for eight years, nearly all of it in the field.
While in Texas, the troops battled intermittently with Apaches, Kiowas, and Comanches, escorted mail, and rescued civilians from native populations.
On December 26, 1867, K Troop lost three troopers at Fort Lancaster by an estimated force of 900 natives and outlaws.

The regiment went to New Mexico Military District, which covered parts of New Mexico, Colorado and Texas, and participated in the Apache Wars from 1875 to 1881.
Headquarters were at Fort Union.
While in New Mexico, duties included constructing barracks and stables, caring for the horse herds, scouting for hostile natives, escorting the mail, surveying uncharted land, and constructing roads.
That service also included the Battle of Tularosa with Chiricahua Apache warriors led by Victorio in May 1880.

The 9th Cavalry was transferred to Fort Riley, Kansas, in 1881, and to Fort Robinson, Nebraska, in 1885.

On 5 November 1887, Company H, of the 9th Cavalry fought at the Battle of Crow Agency during the Crow War, at Crow Agency, Montana.

The regiment also patrolled during the Ghost Dance War with the Sioux about the time of the Wounded Knee Massacre, and it was the last regiment to leave the Pine Ridge Reservation in the Winter of 1890-1891 following the massacre.
In July 1867 the 9th Cavalry was ordered to western and southwestern Texas, to maintain law and order between the Rio Grande and Concho Rivers along a 630-mile line with seven forts from Fort Clark to Fort Quitman near present-day El Paso (the forts ended up including Fort Quitman, Fort Davis, Fort Stockton, Fort Lancaster, Fort Clark, Fort Duncan, Fort McKavett, and Fort Concho). Regimental Headquarters and Troops A, B, E and K, under Col. Hatch, were stationed at Fort Stockton; Troops C, D, F, G, H and I, under Lt. Col. Wesley Merritt were at Fort Davis. Troops L and M under 1st Lt. Hamilton had previously been sent to Brownsville. The 9th remained in Texas for eight years, nearly all of it in the field. While in Texas, the troops battled intermittently with Apaches, Kiowas, and Comanches, escorted mail, and rescued civilians from native populations. On December 26, 1867, K Troop lost three troopers at Fort Lancaster by an estimated force of 900 natives and outlaws.
The regiment went to New Mexico Military District, which covered parts of New Mexico, Colorado and Texas, and participated in the Apache Wars from 1875 to 1881. Headquarters were at Fort Union. While in New Mexico, duties included constructing barracks and stables, caring for the horse herds, scouting for hostile natives, escorting the mail, surveying uncharted land, and constructing roads. That service also included the Battle of Tularosa with Chiricahua Apache warriors led by Victorio in May 1880.
The 9th Cavalry was transferred to Fort Riley, Kansas, in 1881, and to Fort Robinson, Nebraska, in 1885.
On 5 November 1887, Company H, of the 9th Cavalry fought at the Battle of Crow Agency during the Crow War, at Crow Agency, Montana.
The regiment also patrolled during the Ghost Dance War with the Sioux about the time of the Wounded Knee Massacre, and it was the last regiment to leave the Pine Ridge Reservation in the Winter of 1890-1891 following the massacre.
9th Cavalry Regiment (United States)