 Y. A. Gagarin launches atop a Soyuz-2.1a | |
| Names | ISS 64S |
|---|---|
| Mission type | ISS crew transport |
| Operator | Roscosmos |
| COSPAR ID | 2021-029A |
| SATCATno. | 48159 |
| Mission duration | 190 days, 20 hours and 53 minutes |
| Spacecraft properties | |
| Spacecraft | Soyuz MS no. 748Y. A. Gagarin[1][2] |
| Spacecraft type | Soyuz MS |
| Manufacturer | RSC Energia |
| Crew | |
| Crew size | 3 |
| Launching | |
| Landing | |
| Callsign | Kazbek[3] |
| Start of mission | |
| Launch date | 9 April 2021, 07:42:41UTC[4][5][6] |
| Rocket | Soyuz-2.1a |
| Launch site | Baikonur Cosmodrome,Site 31 |
| Contractor | RKTs Progress |
| End of mission | |
| Landing date | 17 October 2021, 04:35:44 UTC |
| Landing site | Kazakh Steppe,Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.66° |
| Docking withISS | |
| Docking port | Rassvetnadir |
| Docking date | 9 April 2021, 11:05 UTC[6][3] |
| Undocking date | 28 September 2021, 12:21 UTC |
| Time docked | 172 days, 1 hour and 16 minutes |
| Docking withISS (Relocation) | |
| Docking port | Nauka nadir |
| Docking date | 28 September 2021, 13:04 UTC |
| Undocking date | 17 October 2021, 01:14:00 UTC |
| Time docked | 18 days, 12 hours and 10 minutes |
 Launch mission patch .jpg) Launch crew, from left:Vande Hei,Novitsky andDubrov | |
Soyuz MS-18 (spacecraft named"Y. A. Gagarin") was aSoyuz spaceflight that was launched on 9 April 2021 at 07:42:41UTC.[4][7] It transported three members of theExpedition 64 crew to theInternational Space Station (ISS). Soyuz MS-18 was the 146th crewed flight of a Soyuz spacecraft. The launching crew consisted of a Russian commander, a Russian flight engineer, and an American flight engineer ofNASA.[8][9][10][11] The spacecraft returned toEarth on 17 October 2021 following 191 days in space.[12] The flight served as the landing vehicle for the Russian film directorKlim Shipenko and actressYulia Peresild who launched to the ISS aboardSoyuz MS-19 and spent twelve days in space in order to film a movie,Vyzov (Russian:Вызов,lit. 'The Challenge').[13][14][15]
On 9 March 2021, Roscosmos announced that, at NASA's request, they would alter the existing flight plan to includeMark Vande Hei instead ofSergei Korsakov in the main crew andAnne McClain instead ofDmitriy Petelin in the backup one effectively extending NASA astronauts' flights on Soyuz spacecraft for at least another flight.[16][17] This arrangement was an in-kind service for the supplemental crew transportation service between NASA and Roscosmos, without any financial exchange between the two agencies.[18][19]
| Position | Launching crew member | Landing crew member |
|---|---|---|
| Commander |  Oleg Novitsky,RoscosmosExpedition 64/65 Third spaceflight | |
| Flight Engineer/Spaceflight Participant | Pyotr Dubrov,Roscosmos Expedition 64/65/66 First spaceflight | Klim Shipenko Only spaceflight Sponsor:Channel 1 |
| Flight Engineer/Spaceflight Participant |  Mark T. Vande Hei,NASAExpedition 64/65/66 Second spaceflight | Yulia Peresild Only spaceflight Sponsor:Channel 1 |
| Shipenko and Peresild visited the ISS to film the movieThe Challenge. | ||
| Position | Crew member | |
|---|---|---|
| Commander | Anton Shkaplerov,Roscosmos | |
| Flight Engineer 1 | Oleg Artemyev,Roscosmos | |
| Flight Engineer 2 | Anne McClain,NASA | |
The Soyuz MS-18 crew arrived at ISS on 9 April 2021, well ahead of the launch and docking ofNauka module launching on aProton-M launch vehicle on 21 July 2021 that carried a portion of theEuropean Robotic Arm (ERA). A spacewalk was undertaken byExpedition 65 (Soyuz MS-18 crew members) to prepare the ISS Russian Segment forNauka and ERA installation in the summer of 2021.[20][21] Two other spacewalks for outfittingNauka were also conducted by Soyuz MS-18 crew members.
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TheUM Prichal module launched to the International Space Station on 24 November 2021 withProgress M-UM. One port onPrichal is equipped with an active hybrid docking port, which enables docking with theNauka module. The remaining five ports are passive hybrids, enabling docking of Soyuz and Progress vehicles, as well as heavier modules and future spacecraft with modified docking systems.[22]
ThePrichal module was the second addition to theRussian Orbital Segment (ROS) in 2021.
On 15 October 2021, at 09:02 UTC, during preparation of the ship's propulsion system for landing, the Soyuz MS-18 inadvertently fired its thrusters beyond its planned time, which resulted in changing the orientation of the ISS by as much as 57°, at 09:13 UTC. The station's attitude control system then counteracted that motion by activating thrusters of the Russian Segment. The erroneous firing of Soyuz engines was the result of a procedural error in the instructions sent by mission control to Oleg Novitsky ahead of the test. Fortunately, the flight control system aboard the Soyuz spacecraft had a limit set for the engine testing, which generated a cutoff command as soon as the firing consumed all the propellant allocated for the test. As a result, all the propellant reserves aboard the spacecraft needed for landing remained untouched. The crew was not in danger and it was the second such incident since the loss of control ofNauka on 29 July 2021.[23][24]
The director and actress returned to Earth on 17 October 2021 on Soyuz MS-18 with commander Oleg Novitsky. Cosmonaut Pyotr Dubrov and astronaut Mark Vande Hei, who arrived at the ISS on Soyuz MS-18, joined Shkaplerov on the landing of Soyuz MS-19.[25]
A Soyuz-2-1a rocket to launch the Soyuz MS-18 spacecraft (Vehicle No. 748, ISS mission 64S)...
Roscosmos cosmonauts Oleg Novitsky and Pyotr Dubrov, together with NASA astronaut Mark Vande Hei, are set to lift off to the International Space Station on Russia's Soyuz MS-18 spacecraft, which has been named the "Y.A. Gagarin"
International Flight No. 321; Soyuz MS-18; Kazbek
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