After all the required checks had been completed and the hatches had been opened, the five shuttle astronauts moved into "Mir", ready to carry out three days of combined operations with "Mir"'s resident crew, Russian cosmonauts Yuri Gidzenko and Sergei Avdeyev (carrying out the Mir EO-20 expedition) and ESA astronaut Thomas Reiter (flying on the Euromir 95 expedition).