Progress M-20M (russian: Прогресс М-20М, italic=yes), identified by

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeedin ...

as Progress 52P, is a

Progress Progress is the movement towards a refined, improved, or otherwise desired state. In the context of progressivism, it refers to the proposition that advancements in technology, science, and social organization have resulted, and by extension w ...

spacecraft used by Roskosmos to resupply the

International Space Station The International Space Station (ISS) is the largest Modular design, modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos ( ...

(ISS) during 2013. Progress M-20M was built by

RKK Energia PAO S. P. Korolev Rocket and Space Corporation Energia (russian: Ракетно-космическая корпорация «Энергия» им. С. П. Королёва, Raketno-kosmicheskaya korporatsiya "Energiya" im. S. P. Korolyov ...

. Progress M-20M was launched on a 6-hours rendezvous profile towards the ISS. The 20th

Progress-M Progress-M (russian: Прогресс-М, GRAU indices 11F615A55 and 11F615A60), also known as Progress 7K-TGM, is a Russian, previously Soviet spacecraft which is used to resupply space stations. It is a variant of the Progress spacecraft, or ...

11F615A60 spacecraft to be launched, it had the

serial number A serial number is a unique identifier assigned incrementally or sequentially to an item, to ''uniquely'' identify it. Serial numbers need not be strictly numerical. They may contain letters and other typographical symbols, or may consist enti ...

420 and was built by

Launch

The spacecraft was launched on 27 July 2013 at 20:45 UTC from the

Baikonur Cosmodrome ''Baiqoñyr ğaryş ailağy'' rus, Космодром Байконур''Kosmodrom Baykonur'' , image = Baikonur Cosmodrome Soyuz launch pad.jpg , caption = The Baikonur Cosmodrome's "Gagarin's Start" Soyuz ...

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...

. The launch was the first out of Baikonur since a disastrous Proton-M failure on 2 July 2013.

Docking

Progress M-20M docked with the Pirs docking compartment on 28 July 2013 at 02:26 UTC, less than six hours after launch.

Cargo

Some last minute items were added to the Progress to assist the station astronauts with figuring out why the cooling system on one of the American spacesuits sprung a leak and caused a spacewalk to be aborted the previous week.

Undocking and reentry

Progress M-20M undocked from the ISS on 3 February 2014.

References

Progress (spacecraft) missions Spacecraft launched in 2013 Spacecraft which reentered in 2014 Spacecraft launched by Soyuz-U rockets Supply vehicles for the International Space Station {{Russia-spacecraft-stub