The 521st AMOW expedites warfighting and humanitarian efforts by the United States Air Force throughout Europe, the Middle East, and Africa.

It moved frequently to support elements of Ninth Air Force, arriving in Belgium in September and Germany in March 1945.

It provided radar coverage and navigational aid to allied aircraft flying over the U.S.

[6] In the 1960s, its mission, personnel, and equipment were combined with those of the 86th Fighter-Interceptor Wing, which was redesignated the 86th Air Division (Defense).

This article incorporates public domain material from the Air Force Historical Research Agency