Chief Warrant Officer (CWO) is a rank in the United States Armed Forces, specifically within the Army and Marine Corps. In Black history, there have been many notable Chief Warrant Officers who have made significant contributions to their respective branches and to the country as a whole.

One example is Chief Warrant Officer Five Kenneth O. Preston, who served as the 13th Sergeant Major of the Army from 2004 to 2011. He was the first African American to hold this position, which is the highest-ranking non-commissioned officer in the Army. Chief Warrant Officer Five Preston was known for his leadership, dedication to soldiers' welfare, and advocacy for military families.

Another example is Chief Warrant Officer Four Michael Reid, who served as the first African American Command Chief Warrant Officer of the Army Reserve. He played a vital role in providing leadership and guidance to warrant officers in the Army Reserve and promoting diversity and inclusion within the ranks.

These are just a few examples of the many Chief Warrant Officers in Black history who have made important contributions to the military and have helped pave the way for future generations of service members.