In what year did the government authorize african americans to be allowed to become military pilots

The United States military did not authorize African Americans to become pilots until July 1941 when the Tuskegee Airmen were created through Tuskegee University in Alabama and endorsed by the Army Air Corps. Up until this point the military had put out various memos and policies claiming African Americans were ill-fit to pilot aircraft, however, the brave and successful military actions of the Tuskegee pilots in World War II proved these critics wrong. 

The answer is letter c