The U.S. Army has played a significant role in Black history, both as a force for change and progress, and as an institution that has faced challenges related to race and discrimination.

One notable aspect of the U.S. Army in Black history is the service of African American soldiers in various American conflicts. Despite facing segregation and discrimination within the military, African Americans have served with distinction and bravery throughout U.S. history. For example, during the American Civil War, over 180,000 African American soldiers and sailors served in the Union Army and Navy, fighting against the Confederacy and contributing to the eventual victory of the Union.

During World War I, African American soldiers served in segregated units, such as the famous Harlem Hellfighters of the 369th Infantry Regiment, who fought bravely in Europe and were highly decorated for their service. In World War II, the military was still segregated, but African American soldiers continued to serve with valor, such as the Tuskegee Airmen, the first Black military aviators in the U.S. Army Air Corps.

The desegregation of the U.S. military began in earnest after World War II, with President Harry Truman's 1948 Executive Order 9981, which called for the integration of the armed forces. This marked a significant milestone in Black history and the ongoing struggle for civil rights in the United States.

Today, African Americans serve in all branches of the U.S. military and have achieved high ranks and positions of leadership. The U.S. Army continues to work towards promoting diversity and inclusion within its ranks, honoring the legacy of African American soldiers who have served their country with courage and dedication.