Soyuz Makes Record-Breaking ‘Fast Track’ to Space Station

It was same day, freaky-fast delivery for the Soyuz TMA-08M spacecraft bringing the crew of Expedition 35/36 to the International Space Station. The expedited flight had the crew arriving even quicker than expected, in just 5 hours and 45 minutes after launch. The new abbreviated four-orbit rendezvous with the ISS uses a modified launch and docking profile for the Russian ships. It has been tried successfully with three Progress resupply vehicles, but this is the first time it has been used on a human flight.

In the past, Soyuz manned capsules and Progress supply ships were launched on trajectories that required about two days, or 34 orbits, to reach the ISS. The new fast-track trajectory has the rocket launching shortly after the ISS passes overhead. Then, additional firings of the vehicle’s thrusters early in its mission expedites the time required for a Russian vehicle to reach the Station.

Liftoff of the Soyuz TMA-08M spacecraft took place at 4:43 p.m. EDT (20:43 UTC) on March 28 from the Baikonur Cosmodrome in Kazakhstan, and Russian commander Pavel Vinogradov, cosmonaut Aleksandr Misurkin and NASA astronaut Chris Cassidy docked with the ISS’s Poisk module at 10:28 p.m. EDT on Thursday (March 28; 0228 GMT Friday).

Hatches will be opened shortly, and Expedition 35 commander Chris Hadfield,astronaut Tom Marshburn and cosmonaut Roman Romanenko will welcome their new crewmates aboard. Update: Here’s the video of the hatch opening:

Find out more about the “fast-track” trajectory in our earlier articles here and here.

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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