Located at Fort Tuthill Fairgrounds in Flagstaff, Arizona. It is housed in two of Fort Tuthill’s original buildings, the Fort Tuthill Military Museum presents the appearance of a Regimental Headquarters Building of the 1940's. The Museum Mission is to preserve and present the distinguished history and traditions of the 158th Infantry Regiment, 158th Regimental Combat Team, and current 1st Battalion 158th Infantry Arizona National Guard. Exhibits trace the history of the regiment from it's organization in 1865 as the 1st Regiment Arizona Volunteers to 1967 retirement of the Regimental Colors and 2005 organization and Afghanistan deployment of 1st Battalion 158th Infantry.
