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Several large dinosaurs and a large illuminated projection globe are the focal points of this gallery. A huge Apatosaurus greets visitors as they descend the escalator and other large specimens, including a T-Rex, wait on the lower level.
This gallery exhibits many examples of military equipment, both U.S. and foreign, as well as life in the military. The Civil War is featured with a replica of an ironclad that operated on the nearby Mississippi River. A PT-17 Stearman airplane from WWII is suspended in the south atrium as a tribute to the hundreds of pilots who received their flight training at a nearby military airfield.