At 8:43 a.m. EDT, hatches were closed between space shuttle Atlantis and its six crew members and the International Space Station and its six crew members. The hatches between the two spacecraft were opened on May 16 and were open for joint crew operations for a total of 6 days, 20 hours, and 25 minutes.
Atlantis’ crew has begun operations for undocking, scheduled for 11:22 a.m.