A Shuttle Back Flip at the Space Station . ... Credit Copyright: ISS Expedition 11 Crew , STS-114 Crew , NASA Explanation: Last week, crew members of the International Space Station (ISS) watched carefully as the Space Shuttle Discovery did a planned but unusual back flip upon approach. Discovery Commander Eileen Collins guided the shuttle through the flip, which was about 200 meters from the ISS when the above picture was taken. ... Later the shuttle docked with the space station. ...