Long March 7 • Tianzhou-1

This is first mission of Chinese robotic cargo spacecraft Tianzhou-1. Target of the mission will be of course, launched on September 15, 2016, second Chinese space station Tiangong-2. Tianzhou-1 is in fact stretched Tiangong-1 space station, with mass at 13000 kg and payload capacity of 6000 kg. It will be manufactured in three versions - fully pressurized, partially pressurized and unpressurized probably for refueling mission. Its general concept is based on Russian Progress spacecraft - after reaching station it will be unloaded by crew or it will transfer propellant to station; next it will be loaded with unnecessary equipment and trash and undocked to burn in atmosphere. Spacecraft will be launch on atop of Long March 7 - new medium rocket able to deliver up to 13.5 t to LEO. Rocket has its first flight on June 25, 2016 and Tianzhou-1 mission will be its second flight.

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