Shuttle and Mir commanders share a hug moments before the Discovery-Mir hatch closes for the last time.

• Ex-cosmonaut on his way to inspect Mir
• Shuttle-Mir: an experiment in science and politics
• After 1,000 days on Mir, what have Americans really learned?
• Down to Earth: Planning the last days of Mir
• Try your hand at steering the Space Shuttle Discovery
• NASA Profiles: The seven U.S. astronauts who lived on Mir
• 360° interactive image: Sit in the shuttle commander's seat
• Maneuver a 3-D model of Mir

With the departure of Discovery, the four-year old Shuttle-Mir program comes to a close. The project between former Cold War enemies brought seven U.S. astronauts for extended stays on Mir and set the stage for U.S.-Russian partnership on the planned international space station.