An International Effort In November 1998, the Russian Proton rocket made the first flight to the ISS, delivering the first module, Zarya Control Module. The U.S. Space Shuttle Endeavour followed in December 1998, and astronauts attached the Unity Node to Zarya. The first crew, consisting of one American and two Russians, arrived at ISS in October 2000. From that point on, ISS has been permanently staffed.
Construction Setbacks Because of the low gravity in space, the different sections of the ISS, including the 17 main modules, are being put together there rather than on Earth....