Cargo ships, expandables and spacewalks: ISS in 2016

Cargo ships, expandables and spacewalks: ISS in 2016

Between cargo ships servicing the outpost and spacewalks to maintain it, 2016 was arguably one of the busiest years for the International Space Station since the end of the space shuttle era.

Probably the most visible event for the space station in 2016 was the yearlong crew – NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko – returning to Earth. They had launched to the outpost on March 27, 2015.

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Progress MS-04 lost on ascent

Progress MS-04 lost on ascent

About 383 seconds into a launch that started with a flawless liftoff, Roscosmos lost contact with the Soyuz-U rocket carrying the unpiloted Progress MS-04 cargo spacecraft bound for the International Space Station.

A few hours later, the Russian space agency reported the third stage of the carrier rocket shut down early, preventing the Progress from achieving orbit. The vehicle burned up in the atmosphere on the way back toward Earth.

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ISS schedules reshuffled

ISS schedules reshuffled

The second half of 2016 has been rough for International Space Station mission planning. All of the visiting vehicles that service the outpost have had some delay or another.

First, in early August the Japan Aerospace Exploration Agency announced their Kounotori 6 spacecraft would be postponed from its Sept. 30, 2016 launch date due to a "slight leak" found in the pluming of the cargo ship.

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Progress freighter undocks from International Space Station

Progress freighter undocks from International Space Station

After six months docked to the aft port of the Zvezda module of the International Space Station, the unpiloted Russian Progress MS-02 cargo ship left the outpost. A couple hours later, it was commanded to burn up over the Pacific Ocean.

Undocking occurred at 5:37 a.m. EDT (09:37 GMT) Oct. 14. Loaded springs initially pushed Progress away from ISS. The two passively separated for about 3 minutes. Once the craft was about 20 meters away from the orbiting outpost, a departure burn was initiated to increase the distance from ISS ahead of the deorbit burn.

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