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.

NASA astronauts Suni Williams and Butch Wilmore, both Expedition 71 Flght Engineers, make pizza aboard the International Space Station’s galley located inside the Unity module NASA Johnson / SWNS ...

Zvezda took over automatic management of the station from the temporary Zarya module, which together with the U.S.-built Unity module has orbited Earth for more than 1.5 years.

NASA On Monday, the International Space Station (ISS) marked 25 years since the first module was launched into space. The Zarya module arrived in low-Earth orbit in November 1998 and was joined by ...

The crew was successful in their second attempt to begin Mission STS-88, the first U.S. flight for assembly of the International Space Station carrying the "Unity" module.

What was once just three pressurized rooms – America’s Unity module, with Russia’s Zvezda (“Star”) and Zarya (“Dawn”) modules – has grown into a complex of 16 chambers and a ...