It has the largest collection of helicopters held by a museum in the world.

[1][2] The museum features some 50 aircraft on public display with aviation artifacts ranging from a replica of the Wright brothers' Model B military biplane to an RAH-66 Comanche.

The museum has over 160 aircraft in its collection and holds 3,000 historical items.

[4] The museum broke ground on a new building called the William A. Howell Training Support Facility in November 2019, which will not be open to the public.

[9] Sources: US Army Aviation Museum collection pages[10][11][12]