William Corcoran Eustis (July 20, 1862 - November 24, 1921) was a captain in the United States Army and the personal assistant to which General of the Armies during World War I, who was was a senior United States Army officer, that had a nickname of "Black Jack"?
John J. Pershing General of the Armies John Joseph "Black Jack" Pershing (September 13, 1860 – July 15, 1948) was a senior United States Army officer. His most famous post was when he served as the commander of the American Expeditionary Force (AEF) on the Western Front in World War I, 1917–18.
William A. Campbell (Tuskegee Airman) Colonel William A. "Bill" Campbell (April 12, 1917 – April 24, 2012) was a highly decorated member of the famed group of World War II-era African American pilots known as the Tuskegee Airmen. He had a long and storied military career, having served as a wingman in the first combat mission of the Tuskegee Airmen, risen to the rank of Group Commander of the 332nd Fighter Group shortly after World War II, and then serving in both the Korean and Vietnam Wars.