关于这张图
The 2017 class of astronaut candidates pose for a group photograph at United Launch Alliance's Space Launch Complex 41 at Cape Canaveral Air Force Station (CCAFS) in Florida during a familiarization tour. They also toured Kennedy Space Center facilities, including the Neil Armstrong Operations and Checkout Building high bay; the Launch Control Center, Launch Complex 39B, the Vehicle Assembly Building, Boeing's Commercial Crew and Cargo Facility, and SpaceX's Launch Complex 39A. The candidates will spend about two years getting to know the space station systems and learning how to spacewalk, sp…
