The 521st Air Expeditionary Advisory Squadron is a component of the United States Air Force. It serves as an advisory unit, providing expertise and guidance to foreign partner air forces in various aspects of air power employment and development. The squadron’s primary role involves mentoring and training allied air forces, helping them build their capacity to effectively counter threats and maintain regional stability. The 521st AEAS is part of the Air Combat Command and operates under the U.S. Central Command area of responsibility, which encompasses the Middle East and Central Asia.