Space Station Assembly

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Zarya Countdown to Launch
Diagram of FGB on a Proton rocket Modifications begin at Khrunichev - April 1997
Attitude control, on-orbit refueling, upgraded avionics capability, and additional docking capabilities make the vehicle more robust.

Integrated Testing Complete - December 1997
All electrical, functional and factory acceptance tests have been completed and the vehicle is made ready for shipment to the launch complex at Baikonur.

Zarya shipped to Baikonur Launch Complex - January 1998
The FGB flight vehicle is transported by rail to the Cosmodrome launch complex in Baikonur.

Zarya (FGB) Launch - November 1998
Zarya is launched into low-Earth orbit as the first element of the International Space Station.