Training References Further reading External links History of Fort Omaha at Douglas County Historical Society Fort Omaha historic photos at Omaha Public Library Historic photos of Fort Omaha at Nebraska Memories Historic photos of the Fort Omaha Balloon School at Nebraska Memories 1868 establishments in Nebraska Buildings and structures in Omaha, Nebraska Forts along the Missouri River Omaha Omaha Historic districts in Omaha, Nebraska Historic districts on the National Register of Historic Places in Nebraska History of United States expansionism Landmarks in North Omaha, Nebraska Military history of the United States during World War I National Register of Historic Places in Omaha, Nebraska Tourist attractions in Omaha, Nebraska World War I airfields in the United States World War I sites in the United States World War II sites in the United States Government buildings completed in 1868