 The district includes the 1879 General Crook House Museum, as well as the 1879 Quartermaster's office, 1878 commissary, 1884 guardhouse, 1883 ordnance magazine and 1887 mule stables.Opened in 1868 as a supply depot for various forts along the Platte River, Fort Omaha is primarily occupied by Metropolitan Community College.It continues to house Navy, Marine and Army Reserve units.