Winfield Scott Hancock (1824-1886) was a career U.S. Army officer and the Democratic nominee for President of the United States in 1880. He served with distinction in the Army for four decades, including service in the Mexican-American War and as a Union general in the American Civil War. His military service continued after the Civil War, as Hancock participated in the military Reconstruction of the South and the Army's presence at the Western frontier.
Private Cathay Williams was the only woman to serve in the US Army as a Buffalo Soldier. On November 15, 1866 she enlisted in the Army as a man. Williams reversed her name William Cathay and lived as a male soldier and served until she was found out due to the last of many illnesses she suffered while in service. She is the only documented black woman known to have served in the Army during these times when enlisting women was prohibited
Actor, 1stLt Dale Robertson US Army (Served 1940-1945) Short Bio: He was born Dayle Lymoine Robertson in Harrah, Okla., about 30 miles east of Oklahoma City, on July 14, 1923, to Melvin and Varval Robertson. He starred in sports in high school, boxed professionally as a young man and attended the Oklahoma Military Academy. In World War II, he served in the Army in Africa and Europe and was wounded twice, earning bronze and silver stars. http://army.togetherweserved.com/profile/335961
Ossie Davis: US Army (1942-45). He served in the Army Medical Corps in Liberia for nearly three years, helping to establish a hospital there for African-American soldiers -- the Army was still segregated.