How did the Tuskegee Airmen still face discrimination?

The Tuskegee Airmen proved that black and white pilots had the same potential, which helped break racial barriers.

Explanation:

After many efforts on the part of African Americans to belong to the United States Army, being able to be part of the formation of aviators in the country and manage to finish is the segregation they lived, it had its fruits after the creation of Tuskegee aviators ended. After the Tuskegee aviators demonstrated their ability through their excellent performance, they began to be taken more into account and respected, which manages to overcome racial segregation little by little. African-American aviators proved to be as capable as all their peers.

The answer is challenging and taxing because arduous means when something is hard and tiring and the excerpt provides clear detail why that's the answer