The USAHEC is the premier research and archival facility for U.S. Army history and is dedicated to "Telling the Army story … one Soldier at a time." The expansive campus includes the Visitor and Education Center, the U.S. Army War College Library, the U.S. Army Military History Institute, and the Army Heritage Trail. The Visitor and Education Center features the Soldier Experience Interactive Gallery, special changing exhibits, and the museum store. Ridgway Hall features the library and archives, an art gallery with exhibitions rotating annually, and additional changing exhibit spaces. The mile-long, outdoor Army Heritage Trail provides an immersive experience, which allows visitors to walk into different periods of history represented. Displays include a scale reproduction of Redoubt Number 10 from the Revolutionary War, a World War I trench system, a Vietnam Fire Support Base, as well as other objects and structures from across the span of Army History.