1.   As part of a crew swap, Solovyev, who came up on Atlantis with another Russian and five Americans, will remain behind to run the Russian outpost.

2.   The five-day linkup features biomedical research and a crew swap.

3.   The five-day linkup featured a crew swap for the Mir station and a bevy of biomedical research projects to explore the effects of weightlessness.

4.   The next step comes in June when Atlantis actually docks with the orbiting Mir station for a crew swap.

5.   This time, there was a crew swap.