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The 2017 class of astronaut candidates are inside the Space Station Processing Facility high bay during a familiarization tour of facilities at NASA's Kennedy Space Center in Florida. They are viewing the Interim Cryogenic Propulsion System for NASA's Space Launch System rocket. The candidates toured center facilities, including the Neil Armstrong Operations and Checkout Building high bay; the Launch Control Center, Launch Pad 39B, and the Vehicle Assembly Building. They also toured Boeing's Commercial Crew and Cargo Facility, United Launch Alliance's Space Launch Complex 41 at Cape Canaveral …