The American-made Unity module was carried into orbit as the primary cargo of STS-88 on the space shuttle Endeavour. The module was mated with the previously-launched Russian-made Zarya module on ...

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 ...

STS-98 brought up the Destiny Module and attached it to the forward side of Unity. STS-100 brought up the Canadarm2 - which was crucial for constructing the station.

The International Space Station's first component, the "Zarya" cargo module, was launched into orbit by a Russian Proton rocket 15 years ago. Now, NASA has announced the ISS's useful life will be ...