Portrait of Captain Charles Young, 9th Cavalry, Acting Superintendent of Sequoia National Park, 1903. Courtesy of the Sequoia and Kings Canyon National Parks.

Portrait of Captain Charles Young, 9th Cavalry, Acting Superintendent of Sequoia National Park, 1903. Courtesy of the Sequoia and Kings Canyon National Parks.

Soldiers of the 25th Infantry wore buffalo robes to protect themselves from sub-zero temperatures. They were charged with routing out white ranchers illegally selling goods to Native Americans. Credit: 25th Infantry soldier wearing a buffalo robe, ph

Soldiers of the 25th Infantry wore buffalo robes to protect themselves from sub-zero temperatures. They were charged with routing out white ranchers illegally selling goods to Native Americans. Credit: 25th Infantry soldier wearing a buffalo robe, photographed by John C. H. Grabill in Sturgis, Dakota Territory, circa 1886

African American "Buffalo Soldier" officers, Company D, 25th U.S. Infantry Regiment, Fort Custer, Montana, ca. 1889 Photo by O.S. Goff, Courtesy UW Special Collections (SOC3034)

African American "Buffalo Soldier" officers, Company D, 25th U.S. Infantry Regiment, Fort Custer, Montana, ca. 1889 Photo by O.S. Goff, Courtesy UW Special Collections (SOC3034)

Men from the detachment of the 9th Cavalry’s Troops K and L that left the Presidio for Yosemite on April 20, 1903. Image courtesy Kare Silliman.

Men from the detachment of the 9th Cavalry’s Troops K and L that left the Presidio for Yosemite on April 20, 1903. Image courtesy Kare Silliman.

An Afro-American Corporal, in the 9th Cavalry. Snow covers the ground 1890. Denver Public Library, Wikipedia.

An Afro-American Corporal, in the 9th Cavalry. Snow covers the ground 1890. Denver Public Library, Wikipedia.

Buffalo soldiers of the 25th Infantry, some wearing buffalo robes, Ft. Keogh, Montana. Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA

Buffalo soldiers of the 25th Infantry, some wearing buffalo robes, Ft. Keogh, Montana. Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA

Brand new African-American recruits stand at attention with their drill instructor at Camp Sherman, Ohio. National Archives

Brand new African-American recruits stand at attention with their drill instructor at Camp Sherman, Ohio. National Archives

Company K, 9th Cavalry: Photo Courtesy US Army. Via New Orleans Historical.org

Company K, 9th Cavalry: Photo Courtesy US Army. Via New Orleans Historical.org

Troop A, Ninth U.S. Cavalry - famous Indian fighters.Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA

Troop A, Ninth U.S. Cavalry - famous Indian fighters.Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA

Buffalo Soldier, 25th Infantry, Fort Custer, Montana. ~ Source: Retrieved from the Library of Congress, www.loc.gov/item/2010645137/. ~ Creator: O. S. Goff, photographer. ~ Date: Between 1884 and 1890.

Buffalo Soldier, 25th Infantry, Fort Custer, Montana. ~ Source: Retrieved from the Library of Congress, www.loc.gov/item/2010645137/. ~ Creator: O. S. Goff, photographer. ~ Date: Between 1884 and 1890.

[Buffalo Soldier, 9th Cavalry, Company D, sharpshooter collar insignia] / Published and Created by C. C. McBride, Crawford, Nebraska between 1880 and 1890

[Buffalo Soldier, 9th Cavalry, Company D, sharpshooter collar insignia] / Published and Created by C. C. McBride, Crawford, Nebraska between 1880 and 1890

25th Infantry Regiment, 1890: Photo Courtesy Library of Congress Via New Orleans Historical.org

25th Infantry Regiment, 1890: Photo Courtesy Library of Congress Via New Orleans Historical.org