The Russian Soyuz spacecraft, which was launched from Baikonur Cosmodrome in Kazakhstan with three astronauts on Friday, docked successfully at the International Space Station (ISS) on Sunday.

As per reports, Soyuz that carried an American astronaut Tracy Caldwell Dyson and Russians Alexander Skvortsov and Mikhail Kornienko, linked with the ISS at 4:26 a. m. ET.

The crew, which joined Russian Oleg Kotov, Japan’s Soichi Noguchi and US astronaut T. J. Creamer in the ISS, will spend six months orbiting the Earth.

The space shuttle Discovery that carries seven-person crew will also join the ISS within three days. Discovery’s arrival at the ISS will put four women in the space at the same time than ever before.

The ISS that is orbiting 350 kilometers above the earth is a supplicated platform for scientific experiments in space.