Historical Commemoration: USACE Historians Partner with National Army Museum for ‘Steel and Stone’ 9/11 Exhibit
At A Glance 25th Anniversary Commemoration: The National Museum of the United States Army launched “Steel and Stone: Engineering the Response to 9/11” on Aug. 28, 2026, honoring USACE’s mobilization following the September 11 attacks. Interagency History Partnership: USACE Office









