The Museum founded in 1944, the Oregon Museum of Science and Industry (OMSI) is one of the nation's leading science museums. OMSI offers 219,000 square feet of brain-powered fun through hundreds of interactive exhibits and hands-on demonstrations. OMSI has five exhibit halls, eight science labs, a giant screen OMNIMAX Dome Theater, the most technologically advanced planetarium in the Pacific Northwest, and the USS Blueback submarine, the last fast-attack diesel-powered submarine built by the U.S. Navy