The shuttle and station crews also used the station's robot arm to lift a large cargo module out of the Discovery's payload bay and attach it to the station's Unity module.
During the 12-day mission the U.S.-built Unity module was mated with the Russian Zarya module.
It was berthed to the Unity module and activated over a period of five days in February, 2001.
The spacewalkers helped as Susan Helms, using the station's robotic arm, lifted the new station airlock from Atlantis' payload bay and moved it to the station's Unity module.
The first two PMAs were launched with the Unity module in 1998 aboard STS-88.
Speaking of arbitrarily hidden settings, you may find it useful to manually install compizconfig-settings-manager ('ccsm'), and look through the options in the "Unity" module.
At the end of the mission, the space walkers will leave a large toolbag filled with some of these items attached to the side of the Unity module for future workers to use.
The main cargo today was the Unity module, the first American-built part for the space station.
The Multi-Purpose Logistics Module Leonardo was mated to the space station's Unity module.
After the conference and ribbon cutting ceremony the crews gathered one last time for a meal together in the Unity module.