8This artist's rendering shows the deployment of the "Unity" module, the connecting segment for the International Space Station (left) and the space shuttle "Endeavour," as astronauts prepare to ...

Unity is made of aluminum and is cylindrical in shape, with six berthing locations facilitating connections to other modules. It measures 15 feet in diameter and is 17.9 feet long (see NASA photo at ...

Construction of the station began on December 8, 1998, with the attachment of the shuttle-delivered Unity hub to the Russian-launched core module Zarya. Since then, crews have added three laboratories ...

Parmitano was setting up an internet cable between the space station's Unity connecting node and the Russian Zarya module when he noticed liquid collecting inside his helmet.

U.S. space shuttle Endeavour crewmembers Russian Sergei Krikalev (L) and U.S. Commander Bob Cabana (R) check readings from the U.S. Unity connecting module and the Russian Zarya control module, on ...

Crewmates Kay Hire and Terry Virts then used the station's robot arm to install the module onto the station's Unity node, the last major assembly task for the US portion of the $100 billion ...

On Dec. 5, the 12.8-ton Unity connecting module was first connected to Endeavour's docking system; on Dec. 6, using the 50-foot-long robot arm, the Zarya control module was captured from orbit and ...

Astronaut James H. Newman, waves at camera as he holds onto one of the hand rails on the Unity connecting module during the early stages of a 7-hour, 21-minute spacewalk spent connecting 40 cables ...