Tags: Artificialsatellite, Satellite.
Progress M-56 identified by NASA as Progress 21 or 21P was a Progress spacecraft used to resupply the International Space Station. It was a Progress-M 11F615A55 spacecraft with the serial number 356.Progress M-56 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome. Launch occurred at 16:03:25 GMT on 24 April 2006. The spacecraft docked with the Aft port of the Zvezda module at 17:41:31 GMT on 26 April.
