Oscar Bear Runner during negotiations at Wounded Knee, South Dakota, April 1973.
(via)

Oscar Bear Runner during negotiations at Wounded Knee, South Dakota, April 1973.

(via)

Starving Elk, aka Standing Elk, aka Little Hand, aka Spotted Hawk, a man of the Southern Cheyenne nation, 1898.
(via)

Starving Elk, aka Standing Elk, aka Little Hand, aka Spotted Hawk, a man of the Southern Cheyenne nation, 1898.

(via)

A detail from the 1944 painting Wheels of Victory by American painter Philip Evergood (1901-1973). On view at the Frederick R. Weisman Art Museum.
(Mae Travels)

A detail from the 1944 painting Wheels of Victory by American painter Philip Evergood (1901-1973). On view at the Frederick R. Weisman Art Museum.

(Mae Travels)

American soldiers patrol a shopping area in Farah City, Afghanistan, November 20, 2012. (via)

American soldiers patrol a shopping area in Farah City, Afghanistan, November 20, 2012. (via)

Color guard of African-American soldiers during World War II, possibly Ft. Belvoir, Virginia.
(Library of Congress)

Color guard of African-American soldiers during World War II, possibly Ft. Belvoir, Virginia.

(Library of Congress)

American soldier on maneuvers during World War II.

American soldier on maneuvers during World War II.

The 26th U.S. Colored Volunteer Infantry on parade, Camp William Penn, Pa., 1865.
(National Archives)

The 26th U.S. Colored Volunteer Infantry on parade, Camp William Penn, Pa., 1865.

(National Archives)

U.S. soldiers in North Korea on June 3, 1951: “Cpl. Richard G. Clark, foreground, of Westwood, New Jersey, wears helmet as Pfc. Joseph M. Nadorozny, of 973 east 13th St., Brooklyn, New York, puffs on cigarette. (E.N.Johnson, AP)”
(Time Union)

U.S. soldiers in North Korea on June 3, 1951: “Cpl. Richard G. Clark, foreground, of Westwood, New Jersey, wears helmet as Pfc. Joseph M. Nadorozny, of 973 east 13th St., Brooklyn, New York, puffs on cigarette. (E.N.Johnson, AP)”

(Time Union)

An illustrated view of Engineering Aviation Battalions during World War II.
(via)

An illustrated view of Engineering Aviation Battalions during World War II.

(via)

Germany, April 1945: “An African-American soldier with the 12th Armored Division, Seventh U.S. Army, stands guard over a group of German soldiers captured in the forest.” Public domain photo via the Holocaust Memorial Museum.

Germany, April 1945: “An African-American soldier with the 12th Armored Division, Seventh U.S. Army, stands guard over a group of German soldiers captured in the forest.” Public domain photo via the Holocaust Memorial Museum.

Civil War portrait photography: “Unidentified soldier in Confederate uniform with Berdan’s Sharps rifle and Colt 1862 Police Model pistol.” (Library of Congress)

Civil War portrait photography: “Unidentified soldier in Confederate uniform with Berdan’s Sharps rifle and Colt 1862 Police Model pistol.” (Library of Congress)

U.S. Army military police in Germany. October 1, 1974.
(via)

U.S. Army military police in Germany. October 1, 1974.

(via)

U.S. Army soldiers from Baumholder, Germany, check out a Russian armored personnel carrier during Operation Joint Endeavor. Zvonic, Bosnia and Herzegovina. Februrary 29, 1996.

U.S. Army soldiers from Baumholder, Germany, check out a Russian armored personnel carrier during Operation Joint Endeavor. Zvonic, Bosnia and Herzegovina. Februrary 29, 1996.

Sam Houston stamp.
A photograph of Confederate soldier Private William H. Presgraves of Company K, 97th Militia Virginia Infantry Regiment.
(Library of Congress)

A photograph of Confederate soldier Private William H. Presgraves of Company K, 97th Militia Virginia Infantry Regiment.

(Library of Congress)