Expedition 25

ISS Expedition 25
Mission type ISS Expedition
Expedition
Space Station International Space Station
Began 25 September 2010, 02:02 (2010-09-25UTC02:02Z) UTC
Ended 26 November 2010, 04:46 (2010-11-26UTC04:47Z) UTC[1]
Arrived aboard Soyuz TMA-19
Soyuz TMA-01M
Departed aboard Soyuz TMA-19
Soyuz TMA-01M
Crew
Crew size 6
Members Expedition 24/25:
Douglas H. Wheelock
Shannon Walker
Fyodor Yurchikhin

Expedition 25/26:
Scott J. Kelly
Aleksandr Kaleri
Oleg Skripochka
EVAs 1
EVA duration 6 hours, 27 minutes


(l-r) Skripochka, Kaleri, Kelly, Wheelock, Walker and Yurchikhin

ISS expeditions
← Expedition 24 Expedition 26 →

Expedition 25 was the 25th long-duration mission to the International Space Station (ISS). Expedition 25 began with the Soyuz TMA-18 undocking on 25 September 2010. Three new crewmembers (Scott Kelly, Alexander Kaleri and Oleg Skripochka) arrived aboard the ISS October 2010 on Soyuz TMA-01M to join Douglas Wheelock, Fyodor Yurchikhin and Shannon Walker, and formed the full six member crew of Expedition 25.[2] NASA astronaut Doug Wheelock accepted command of Expedition 25 on 22 September 2010, taking over from Russia's Aleksandr Skvortsov. The departure of Wheelock, Walker and Yurchikhin on 25 November 2010 marked the official end of Expedition 25.

During Expedition 25 Progress M-08M spacecraft visited the ISS, docking with the space station on 30 October 2010 bringing 2.5 tons of cargo supplies. Space shuttle Discovery on STS-133 mission was scheduled to arrive at the ISS on 3 November 2010 but was re-scheduled for launch on 3 February 2011. The 10th anniversary of human life, work and research on the ISS fell during Expedition 25. On 2 November 2000, Expedition 1 Commander William Shepherd and Flight Engineers Sergei Krikalev and Yuri Gidzenko became the first residents of the space station. Expedition 25 ended on 26 November.

Crew

Position First part
(September 2010)		 Second part
(October 2010[3]
to November 2010)
Commander Douglas H. Wheelock, NASA
Second spaceflight
Flight Engineer 1 Shannon Walker, NASA
First spaceflight
Flight Engineer 2 Fyodor Yurchikhin, RSA
Third spaceflight
Flight Engineer 3 Scott J. Kelly, NASA
Third spaceflight
Flight Engineer 4 Aleksandr Kaleri, RSA
Fifth spaceflight
Flight Engineer 5 Oleg Skripochka, RSA
First spaceflight
Source
NASA[4][5]

Backup crew

Preflight preparations

Wikinews has related news: Remaining Expedition 25 crew to launch to International Space Station

At the Baikonur Cosmodrome in Kazakhstan, Expedition 25 Soyuz Commander Alexander Kaleri, NASA Flight Engineer Scott Kelly and Russian Flight Engineer Oleg Skripochka participated in a variety of activities from 26 September to 4 October 2010 as they prepared for their launch on 8 October 2010 (7 October 2010 U.S. Eastern time) in their Soyuz TMA-01M spacecraft to the International Space Station. The footage includes the crew's arrival in Baikonur, their suited and unsuited fit checks in their Soyuz spacecraft, the raising of flags outside their Cosmonaut Hotel crew quarters and other traditional activities. The Soyuz TMA-01M spacecraft was mated to its booster in a processing facility for its rollout to the launch pad in Baikonur 5 October 2010.[6][7]

The Soyuz TMA-01M spacecraft and booster rocket were moved to Launch Complex 5 (Complex 17P32-5) at Baikonur Cosmodrome on a rail-car 5 October 2010 for final preparations prior to launch.[8][9]

Experiments

EXPOSE-R payload.

Russian Federal Space Agency revealed that during Expedition 25 and 26, 504 sessions of 41 experiments (34 experiments from previous Expeditions and seven new experiments) are planned to be implemented. The new experiments include, Molniya-Gamma, Sprut-2, UHF-radiometry, SLS, VIRU, Test and Colon Crystal.

Experiments to be carried out include:[10]

Field Experiment Notes
Life science Sonocard, Pilot, Vzaimodeystviye, Tipologia, Pneumocard, Sprut-2, Biorisk The Biorisk experiment aims to study the effects of microbial bacteria and fungus on structural materials used in spacecraft construction.
Geophysical research Relaxation, Uragan, Impulse, Vsplesk, Shadow-Beacon, Molniya-Gamma The Molniya-Gamma experiment measures gamma rays and optical radiation during terrestrial lightning and thunder conditions to study terrestrial gamma-ray flashes and upper-atmospheric lightning.
Remote sensing MW-radiometry, Rusalka, Zeiner, Econ The Rusalka experiment is a test of procedures for remote determination of Methane and Carbon Dioxide content in the Earth’s atmosphere.
Space biotechnology Lactolen, Biotrek, Biodegradatsia, Zhinseng-2, Structure, Constanta
Technical research Vektor-T, Izgib, Identification, Veterok, SLS, Sreda-MKS, Contur, VIRU, Bar, Test, RadioSkaf
Contract activities EXPOSE-R Expose-R experiment is a European Space Agency (ESA) experiment designed to expose organic material to the extreme environment of space.
Study of cosmic rays BTN-Neutron, Matryoshka-R
Educational and humanitarian projects MAI-75, Colon Crystal
Space technology and material science Crystallizator, Plasma crystal

Mission highlights

Expedition 25 commander Douglas Wheelock in the Cupola.

Progress M-05M undocking

The Russian resupply spacecraft Progress M-05M, which came to the station in May 2010, was undocked on 25 October 2010 to make room for another resupply spacecraft - Progress M-08M.

Progress M-08M

Progress M-08M spacecraft delivered about 2.5 tons of cargo supplies including water, air, fuel and hardware for the Russian Molniya-Gamma and Coulomb Crystal experiments to the station.

The Soyuz-U carrier rocket with Progress M-08M, identified by NASA as Progress 40 or 40P, was launched from the Baikonur's Gagarin's launch pad at 15:11:50 UTC on 27 October 2010.[11] After three days of autonomous flight, at 16:36 UTC on 30 October 2010 Progress M-08M docked with the Pirs module nadir port.[12] A problem during Progress' approach to the space station forced cosmonauts on the station to intervene. During station-keeping as part of the rendezvous operations, flight controllers in Moscow instructed cosmonaut Alexander Kaleri to activate the TORU manual docking equipment and take over the piloting tasks from the Progress' autonomous KURS system. The switch to manual mode was decided at range of 194 m. Kaleri worked inside the space station's Zvezda module to fly Progress M-08M remotely using television views and a pair of joysticks and guided it to the successful docking.

Spacewalks

Russian EVA 26 worksites.
Multipurpose workstation on Zvezda module.
Fyodor Yurchikhin (red stripes) and Oleg Skripochka (blue stripes) participate in the spacewalk.
Mission Spacewalkers Start (UTC) End (UTC) Duration
Expedition 25
EVA 1
‡		 Fyodor Yurchikhin
Oleg Skripochka		 15 November 2010
14:55 [13]		 15 November 2010
21:22		 6 hours and 27 minutes
Yurchikhin and Skripochka installed a portable multipurpose workstation in Plane IV in the Zvezda large diameter and installed struts between Poisk module and Zvezda module and Poisk module and Zarya module. They performed an experiment called Test, which was aimed at verifying the existence of micro organisms or contamination underneath insulation on the Russian segment of the ISS. Yurchikhin and Skripochka photographed and installed the protective cover and disconnected and removed the Plasma Pulse Injector Science hardware from the portable multipurpose workstation in Plane II of the Zvezda. They cleaned the Kontur science hardware (ROKVISS) with dry towels and then disconnected and then removed it. Yurchikhin and Skripochka also installed the protective cover and disconnected and removed the Expose-R scientific experiment from the portable multipurpose workstation in Plane II of the Zvezda module. The Kontur experiment studied remote object control capability for robotic arms and the Expose-R experiment is a European Space Agency experiment designed to expose organic material to the extreme environment of space. Yurchikhin and Skripochka installed an oft hand-rail on Pirs docking module and installed the SKK #1-M2 cassette on Poisk module.[14] The cosmonauts also removed a television camera from the Rassvet module, however they were unsuccessful in relocating the camera due to interference with insulation where it was to be installed.[15]

‡ denotes spacewalks performed from the Pirs docking compartment in Russian Orlan suits.

References

 This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.

  1. ↑ Space.com - Soyuz Capsule Lands Safely With Space Station Crew (Nov. 26th, 2010)
  2. ↑ NASA (October 2010). "Expedition 25 and 26 PRESS KIT - A New Decade Begins" (PDF). Retrieved 20 October 2010.
  3. ↑ http://www.nasa.gov/mission_pages/station/structure/iss_manifest.html
  4. ↑ NASA HQ (2008). "NASA Assigns Space Station Crews, Updates Expedition Numbering". NASA. Retrieved 21 November 2008.
  5. ↑ NASA HQ (2009). "NASA and its International Partners Assign Space Station Crews". NASA. Retrieved 7 October 2009.
  6. ↑ NASA HQ / The Spacearium (2010). "Part 1: Expedition 25 - Crew Activities in Baikonur Kazakhstan and Soyuz Rocket Mating". YouTube. Retrieved 4 October 2010.
  7. ↑ NASA HQ / The Spacearium (2010). "Part 2: Expedition 25 - Crew Activities in Baikonur Kazakhstan and Soyuz Rocket Mating". YouTube. Retrieved 4 October 2010.
  8. ↑ NASA HQ / The Spacearium (2010). "Part 1 - ISS Expedition 25 crew prepares for launch as their Soyuz rocket moves to launch pad". YouTube. Retrieved 5 October 2010.
  9. ↑ NASA HQ / The Spacearium (2010). "Part 2 - ISS Expedition 25 crew prepares for launch as their Soyuz rocket moves to launch pad". YouTube. Retrieved 5 October 2010.
  10. ↑ Russian Federal Space Agency (8 October 2010). "ISS-25/26: Scientific Program in the Russian Segment". Retrieved 2010-10-20.
  11. ↑ Russian Federal Space Agency (27 October 2010). "Soyuz-U Successfully Lifts Off from Baikonur". Retrieved 2010-10-28.
  12. ↑ Tariq Malik (30 October 2010). "Cargo Ship Delivers Healthy Halloween Treats to Space Station". SPACE.com. Retrieved 2010-10-31.
  13. ↑ "Russian Cosmonauts Commence Space Walk". Russian Federal Space Agency. 15 November 2010. Retrieved 2010-11-16.
  14. ↑ "Russian Cosmonauts Returned to the ISS after EVA". Russian Federal Space Agency. 16 November 2010. Retrieved 2010-11-16.
  15. ↑ NASA (15 November 2010). "Crew completes spacewalk". Retrieved 2010-11-16.
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