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===December 20 (Flight day 12)===
===December 20 (Flight day 12)===


Flight day 12 began for the astronauts at 12:48 UTC. They will spend the day verifying the integrity of the Discovery's heat shield and preparing for deorbit and landing tomorrow. Because of the extended spaceflight, the shuttle will be required to make a landing attempt on Flight day 13 unless all three landing sites are "no-go." <ref name="STS116_mission_status">{{cite web | last = SpaceflightNow | title = Mission Status Center | url = http://spaceflightnow.com/shuttle/sts116/status.html | work = Spaceflight Now | date = 2006-12-20 | accessdate = 2006-12-20}}</ref>
Flight day 12 began for the astronauts at 12:48 UTC. They will spend the day verifying the integrity of the Discovery's heat shield and preparing for deorbit and landing on December 22nd, 2006. Because of the extended spaceflight, the shuttle will be required to make a landing attempt on Flight day 13 unless all three landing sites are "no-go." <ref name="STS116_mission_status">{{cite web | last = SpaceflightNow | title = Mission Status Center | url = http://spaceflightnow.com/shuttle/sts116/status.html | work = Spaceflight Now | date = 2006-12-20 | accessdate = 2006-12-20}}</ref>


==Contingency planning==
==Contingency planning==

Revision as of 15:29, 21 December 2006

All times are in Coordinated Universal Time (UTC), unless otherwise noted.
STS-116
COSPAR ID2006-055A Edit this at Wikidata
SATCAT no.29647Edit this on Wikidata
Crew
Members7
End of mission
File:STS-116 patch.png

STS-116 is the current NASA Space Shuttle mission. The vehicle being used for this mission is the Space Shuttle Discovery. Liftoff was originally scheduled for December 7, 2006, but that attempt was canceled due to a low cloud ceiling. Discovery successfully lifted off during the second launch attempt on Saturday, December 9 2006 at 8:47:35 p.m. EST. It is the first night launch of a Space Shuttle orbiter since STS-113, which launched on November 23 2002. [1] The main goals of the mission are delivery and attachment of the International Space Station's (ISS) third port truss segment (the P5 truss), major rewiring of the station's power system, and exchange of ISS Expedition 14 personnel. It is scheduled to land at 3:56 p.m. EST on Friday, December 22, 2006.

STS-116 marks the 1,000th time a human has ever crossed the 100 km boundary of space when counting individual missions by astronauts.[2] STS-116 was also the final scheduled Space Shuttle flight to be launched from Pad 39B as NASA reconfigures it for the Ares 1.[3] The only remaining use of Pad 39B by Shuttles is as a reserve for a potential STS-3xx rescue mission for STS-125, the final Hubble Space Telescope servicing mission. [4]

Crew

As one of the main goals of STS-116 is to exchange ISS Expedition 14 crew members, the crew of STS-116 changed mid-flight. ISS Flight Engineer Sunita "Suni" Williams was part of the STS-116 crew for the first portion of the mission. She then replaced ISS Flight Engineer Thomas Reiter on the Expedition 14 crew and Reiter joined the STS-116 crew for the return to Earth.

Launching ISS Expedition 14 crew

Landing ISS Expedition 14 crew

Number in parentheses indicates number of spaceflights by each individual prior to and including this mission.

Mission highlights

A photograph of the ISS after STS-116 with the new P5 truss segment

Mission payloads

In the Space Station Processing Facility, an overhead crane moves the P5 truss for mission STS-116 to the payload canister.
Discovery's payload bay, containing the SPACEHAB module and ISS P5 Truss.

The primary payload for the STS-116 mission is the P5 Truss segment of the International Space Station. The shuttle also carries a Spacehab Logistics Module to resupply the ISS, as well as four satellites, which will be deployed after undocking from the ISS: the ANDE technology demonstrator, developed by the Naval Research Laboratory, and three CubeSats (RAFT-1 and MARScom for the United States Naval Academy, and MEPSI 2A/2B for DARPA). It will be the first Shuttle mission to deploy satellites since STS-113 in 2002.

Location Cargo Mass
Bay 1-2 Orbiter Docking System 1800 kg?
Bay 3 Tunnel Adapter 112 kg
Bay 4-5 Spacehab Logistics Module 5399 kg
Bay 5P? APCU (Assembly Power Converter Unit) (28VDC-to-124VDC)[7][10]

with SPDU (Station Power Distribution Unit)[11] [12] [13][14][15]

2 x 35kg

20kg

Bay 7-8 Truss segment P5 1860 kg
Bay 11-12
Integrated Cargo Carrier 839 kg
STP-H2, FRAM 1398 kg
Service Module Debris Panels 100 kg?
RAFT-1 4 kg
MARScom 3 kg
MEPSI 2A/2B 3 kg
ANDE launch cylinder 20 kg?
ANDE-MAA 50 kg
ANDE-FCAL 75 kg
total 2942 kg
Sill OBSS 202 450 kg?
Sill RMS 303 390 kg
Total 12523 kg

Mission background

STS-116 was planned (post return-to-flight) to launch on December 14, 2006. But on November 29 NASA announced that the launch team had been asked to aim for a launch on December 7 rather than the original target date of Dec. 14. The launch window for the STS-116 mission opened on December 7 and extended through December 17. The seven-member flight crew arrived for launch at Kennedy's Shuttle Landing Facility on December 3 in the afternoon.[16] Primary payloads on the 12-day mission are the P5 integrated truss segment, SPACEHAB single logistics module, and an integrated cargo carrier. The STS-116 mission is the 20th Shuttle flight to the station.

Launch on the new, earlier date required a night-time launch. Subsequent to the Columbia disaster, NASA had imposed rules requiring shuttle launches to be conducted during the day, when light would be sufficient for cameras to observe falling debris. With the redesign of shuttle tank foam having minimized the amount of falling debris and the availability of in-orbit inspection procedures, the daylight-launch requirement was relaxed.[17]

Discovery on its way to Launchpad 39B during rollout.

Rollover of Discovery to the Vehicle Assembly Building (VAB) occurred on October 31, and on November 1 the orbiter was raised into a vertical orientation and moved into High Bay 3 to be mated with the external tank and solid rocket boosters. Rollout to Launch Complex 39B was completed on Thursday November 11.

The crew for the mission arrived at Kennedy Space Center on November 13 to begin their final four-day prelaunch training for the mission, which included familiarization activities, rehearsal of emergency procedures and practice on NASA's Shuttle Training Aircraft, along with a simulated countdown, which took place on the morning of November 16. The astronauts then traveled to Johnson Space Center in Houston, Texas, and returned to Kennedy Space Center on December 3, four days before the planned launch date.

The payloads for the mission, including a SPACEHAB module and the P5 truss, were loaded from the payload canister into Discovery's payload bay on 16 November, and, with the sealing of the payload bay doors, all that remained was to fill the external fuel tank before the Discovery shuttle stack was in full launch configuration. With the completion of the Flight Readiness Review over November 28-29 (which evaluated all activities and elements necessary for the safe and successful performance of the shuttle during the mission, including the Orbiter itself, the payload and flight crew), Discovery was given her Certificate of Flight Readiness, the launch date was officially set to December 7, and the mission officially given the "Go" for launch.

Mission timeline

December 7 (Launch attempt 1)

Following the completion of the pre-launch preparations, all eyes were on the Florida skies, due to a forecasted low cloud ceiling for the night of the launch. The mission's seven astronauts were loaded into Discovery ready for the scheduled launch at 09:37pm EST, with hopes high for a break in the clouds, but as the scheduled launch time approached it became apparent that the cloud would not break, and the launch attempt was scrubbed, with the next attempt scheduled for December 9.[18] Prior to the initial attempt on December 7, NASA had determined that they would not attempt a launch on Friday because of the cold front moving in that eventually scrubbed Thursday's launch attempt.

December 9 (Flight day 1 - Launch)

Discovery at liftoff
STS-116 crew about to board the astrovan for the trip to pad 39B.
File:1 Min to MECO - STS-116.JPG
NASA TV screenshot from camera mounted on the external tank at about 1 minute to Main Engines Cut-Off (MECO). Launch occurred at night, giving an impressive view from the darkness.
File:165149main KSC06PD2794 high.jpg
The solid rocket boosters being retrieved from the Atlantic Ocean after the takeoff of STS-116.

Discovery lifted off successfully at 20:47 EST (01:47 UTC), lighting up much of the eastern seaboard. Weather conditions - in particular crosswinds at the launch and landing sites - continued to trend positively in the hours approaching the launch window Saturday night. The fueling process for Discovery's external tanks began at 12:46 EST (17:46 UTC) and was completed at approximately 15:45 EST (20:45 UTC). If a transatlantic abort landing (TAL) had been required during ascent, the shuttle had three possible landing sites: Zaragoza or Morón Air Base in Spain, or Istres, France. [19]

The launch was the third shuttle mission in five months, being preceded by STS-121 in July and STS-115 in September, and was the first night launch in four years since STS-113 and first night launch following the Columbia accident during STS-107.

December 10 (Flight day 2)

Flight day 2 began for the astronauts at 15:47 UTC. The first order of business for the day was a thorough inspection of the Shuttle. Using sensors and cameras attached to a fifty-foot boom, which was in turn connected to a fifty-foot robotic arm, Nicholas Patrick inspected the leading edge of the wings and the nose cap. The process, which took five and a half hours, suffered a minor glitch that required Patrick to order the arm to manually grab the boom. During this time, the crew also inspected the upper surface of the orbiter. [20] Astronauts also completed a check of the spacesuits to be used during the mission, along with preparation for docking with the International Space Station.

As seen through windows on the aft flight deck of Space Shuttle Discovery, the payload bay is featured in this image photographed by a STS-116 Crewmember during flight day three activities. Pictured in the payload bay is the shuttle's docking mechanism (foreground), Spacehab module (partially obscured), the Canadian-built Remote Manipulator System (RMS) robotic arm (right), and the Remote Manipulator System/Orbiter Boom Sensor System (left, in stowed position).

December 11 (Flight day 3 - Docking to ISS)

Flight day 3 began for the astronauts at 15:18 UTC. Following the rendezvous pitch maneuver, docking to the International Space Station occurred at 22:12 UTC. The hatch between the International Space Station and Discovery was opened at 23:54 UTC. [21] The joint ISS/Shuttle crew then worked to undertake some further detailed inspection of the orbiter and unloaded the P5 truss segment from the payload bay, handing it off successfully from the shuttle robotic arm to the station arm. The astronauts scheduled for Day 4's EVA, Robert Curbeam and Christer Fuglesang, ended their day by entering the airlock for a "campout" sleep session to prepare for the EVA by purging their bodies of nitrogen in a lower-pressure environment.[22] Such a practice is common in order for the astronauts to avoid getting decompression sickness.

December 12 (Flight day 4 - EVA #1)

Space Shuttle Discovery's Canadarm-1 robotic arm hands off the P5 truss section to the International Space Station's Canadarm-2 during shuttle mission STS-116 in December, 2006.
Whilst flying over New Zealand, Robert L. Curbeam, Jr. and Christer Fuglesang participate in the mission's first spacewalk.

Flight day 4 began for the astronauts at 15:47 UTC. [23] During the first EVA of the mission, the astronauts of STS-116 brought the ISS one step closer to completion with the addition of the P5 truss segment.

The EVA began at 20:31 UTC, with Curbeam and Fuglesang removing launch restraints from the P5 truss and Mission Specialist Joan Higginbotham making use of the station's robotic arm (the Canadarm2) to move the truss segment to within inches of its new position on the P4 truss. The spacewalkers then guided Higginbotham with visual cues as the precise operation to finalize the attachment of the truss was completed. [24]

After the P5’s attachment, Curbeam and Fuglesang finalised the installation with power, data and heater cable connections. They also replaced a faulty video camera attached to the S1 truss. Since they worked ahead of the time-line, the two astronauts were also able to complete some get-ahead tasks.

At the end of the spacewalk, Curbeam congratulated the Nobel Prize winners, including scientist Dr. John C. Mather at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. [24] Mather was honored for his work on the big-bang theory. Christer Fuglesang also held a small speech in Swedish, encouraging Swedes and others to aspire to become future astronauts. The EVA concluded at 03:07 UTC on the morning of December 13, and lasted for 6 hours and 36 minutes in total.[24]

During the spacewalk, after taking a close look at imagery gathered on the first three days of the flight, mission managers determined that the shuttle’s heat shield can support a safe return to Earth. They also decided a more detailed inspection that had been scheduled for later in the mission will not be necessary.

Two more spacewalks are scheduled for the mission in order to reconfigure and redistribute power on the station, so that the solar arrays installed during STS-115 can be used. The first step of reconfiguring the power will take place Wednesday when the port solar array on the P6 truss will be retracted, which will allow the activation and rotation of the Solar Alpha Rotary Joint on the P4. The rotary joint will allow the solar arrays on the P4 to track the sun.

STS-116’s second spacewalk took place Thursday and the third is set to take place on Saturday. The astronauts were required to spend the night sleeping in protected areas in order to avoid radiation from a solar flare eruption. [25]

December 13 (Flight day 5 - Solar Array Reorganization)

This digital still image was taken by a crew member aboard the Space Shuttle Discovery of a kink that occurred in the port-side P6 solar array during the first attempt to retract that array on December 13. The crew later extended the array and cleared this kink. The slow retraction of the array was then begun again with similar retraction and extension cycles repeated as the day progressed.

Flight day 5 began for the astronauts at 15:21 UTC.[26] The most high-profile activity was the attempted retraction of the P6 port-side solar array. The process began at 18:28 UTC, but problems with the array folding due to 'kinks' and 'billows' led the controllers to redeploy the array (from about 40% retracted). There then followed a series of more than 40 commands to furl and unfurl the arrays in an effort to get them properly aligned and folded.

At 00:50 UTC, the retraction efforts were abandoned for the day. The problems, which appear to have been caused by a loss of tension in the solar array guide wires,[27] had still not been solved, although 14 of the 31 bays on the array had been retracted (leaving 17 bays extended). This was enough to leave the port side arrays in a safe position to commence the activation of the Solar Alpha Rotary Joint (SARJ) at 01:00 UTC, allowing the solar arrays on the P3/P4 truss to rotate to follow the sun. [28]

December 14 (Flight day 6 - EVA #2)

Christer Fuglesang participates in the mission's second session of extravehicular activity.

Flight day 6 began for the astronauts at 15:19 UTC. The day's primary activity, EVA #2, began rewiring work to bring the station's permanent electrical power systems into use. To allow this changeover, station controllers had to power down about half the systems on the ISS. The EVA started at 19:41 UTC with Bob Curbeam and Christer Fuglesang exiting the Quest airlock, 30 minutes early. EVA #2 was planned to activate channels 2 and 3 of the four-channel electrical system, and the work progressed smoothly. About two hours into the spacewalk the first current was flowing through the reconfigured system, using the power from the P4 solar arrays for the first time. The EVA was completed in exactly 5 hours, finishing at 00:41 UTC.[29]

December 15 (Flight day 7)

Flight day 7 was a light work day for the crews of Discovery and the ISS after the previous days' activities. Spacewalkers Bob Curbeam and Christer Fuglesang enjoyed some R&R, while the rest of the crew performed cleanup and preparatory tasks for Flight day 8's planned EVA #3. The traditional joint photo session and joint news conference were held by the crews.[30] (picture) During this event Swedish first time astronaut Christer Fuglesang was interviewed by Crown Princess Victoria and also set a 20 second Frisbee world record in space, broadcasted live on Swedish TV4.[31] [32]

In an attempt to free a stuck solar panel, Thomas Reiter exercised vigorously on a machine which is known to cause oscillations in the solar arrays; it was not successful. Mission controllers continued to look at other solutions to the solar panel folding problem so as to enable complete retraction, including an extended or additional EVA.[33]

December 16 (Flight day 8 - EVA #3)

Flight day 8 began for the astronauts at 14:48 UTC. Astronauts Bob Curbeam and 'Suni' Williams completed the rewiring work on the International Space Station. The EVA began at 19:25 UTC and proceeded normally. As an "add-on task" to the EVA, astronauts Curbeam and Williams also continued work on the retraction of a sticking solar array, enabling the retraction of another six sections of the P6 array. At the end of the EVA there were another 11 "bays", or 35% left to retract. Upon completion of the EVA, the astronauts returned to the ISS via the Quest airlock.[34] Another significant event during the EVA was the loss of 'Suni' Williams' digital camera. At the post-EVA press conference it was suggested that a tether got snagged and caused the camera release button to break off allowing the camera to fall out its holder. Images were lost but it was determined there was no need to retake them. Curbeam later said to the MCC: "We've got the bracket and the tether. Looks like the screws [on the bracket] came loose, we have the screws and the bracket and the tether." [35]

December 17 (Flight day 9)

Flight day 9 was mainly spent preparing for EVA #4. The space suits were prepared (adjusting sizes and replacing LiOH canisters) and the crew went through the new procedures which had been developed for attempting to enable the solar array retraction. Various tools were to be coated in kapton tape to protect the array from coming into direct contact with sharp metallic objects and to provide electrical insulation if they are used to manipulate the arrays during the EVA.[36][37]

December 18 (Flight day 10 - EVA #4)

Astronaut Robert L. Curbeam Jr., STS-116 mission specialist, works with the port overhead solar array wing on the International Space Station's P6 truss during the mission's fourth session of extravehicular activity.

Flight day 10 began for the astronauts at 14:17 UTC.[34] Bob Curbeam and Christer Fuglesang embarked on an added EVA at 17:12 UTC to try to fully close the last eleven bays of the balky P6-port Solar Array Wing.[38] The rapidly planned EVA was successfully completed after a 6-hour 38-minute spacewalk. [39] Curbeam is now fifth in total EVA time for U.S. Astronauts and 14th overall.[40]

December 19 (Flight day 11 - Undocking)

Flight day 11 began for the astronauts at approximately 14:47 UTC. The Expedition 14 and STS-116 crews posed for photos and then closed the hatches between the ISS and Discovery. Undocking was complete at 22:10 UTC. Due to the extended mission for EVA #4, Discovery did not make a full circle to film and photograph ISS, but only flew slightly more than one-quarter of the way around (through ISS zenith) before its departure burn. Weather at Discovery's potential landing sites is under discussion.

December 20 (Flight day 12)

Flight day 12 began for the astronauts at 12:48 UTC. They will spend the day verifying the integrity of the Discovery's heat shield and preparing for deorbit and landing on December 22nd, 2006. Because of the extended spaceflight, the shuttle will be required to make a landing attempt on Flight day 13 unless all three landing sites are "no-go." [34]

Contingency planning

STS-301

STS-301 was the designation given to the Contingency Shuttle Crew Support mission which would have been launched in the event Space Shuttle Atlantis had become disabled during STS-115. It was a modified version of the STS-116 mission, which would have involved the launch date being brought forward. If needed, it would have launched no earlier than November 11, 2006. The crew for this mission was a four-person subset of the full STS-116 crew:

STS-317

In the event that Discovery suffered irreparable damage while in orbit during STS-116, the crew would have taken refuge at the ISS and waited for a Contingency Shuttle Crew Support mission to launch. The mission would have been named STS-317 and would have been flown by the Space Shuttle Atlantis no earlier than February 21, 2007. The crew for this rescue mission would have been a subset of the full STS-117 crew. Having departed the International Space Station, however, Discovery is now committed to attempt to land.

Wake-up calls

In what has become a tradition for NASA spaceflights since the days of Gemini, the crew of STS-116 is played a special musical track at the start of each day in space. Each track is specially chosen and often has a particular meaning to an individual member of the crew, or it is somehow applicable to their situation. [41]

Mission parameters

References

  1. ^ Ker Than (2006-12-07). "Night Launch: Shuttle Discovery Set for Evening Space Shot". SPACE.com. Retrieved 2006-12-19. {{cite web}}: Check date values in: |date= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)
  2. ^ According to statistics kept by the Cité de l'Espace in Toulouse (France), as mentioned in le Monde of 8-Dec-2006 http://www.lemonde.fr/web/depeches/0,14-0,39-29071378@7-37,0.html
  3. ^ a b Scott "Doc" Horowitz. "Development and operation" (PDF). Retrieved 2006-12-19.
  4. ^ Bergin, Chris (2006-11-19). "NASA details Ares launch pad timeline". nasaspaceflight.com. Retrieved 2006-12-19.
  5. ^ eriolastrada. "Re: STS-116/12A.1 Status (bbs posting)".
  6. ^ shuttle_guy. "Re: STS-116/12A.1 Status (bbs posting)".
  7. ^ a b A Power Converter for Manned Spacecraft from COTS Components
  8. ^ Astronautix Endeavour STS-97 payload
  9. ^ Carreau, Mark (2006-12-18). "Astronaut Curbeam to set record with walk No. 4". Houston Chronicle. Retrieved 2006-12-19.
  10. ^ "Space Shuttle Program Payload Bay Payload User's Guide "Figure 5.1.3-1. Typical payload - APC"" (PDF). NASA Lyndon B. Johnson Space Center. December, 2000. Retrieved 2006-12-17. {{cite web}}: Check date values in: |date= (help); Cite has empty unknown parameter: |1= (help); Unknown parameter |PAGE= ignored (|page= suggested) (help)
  11. ^ "MEI System Design Analysis and Development - Projects". MEI Technologies. Retrieved 2006-12-17.
  12. ^ "Space Shuttle Program "System Description and Design Data - Electrical Power and Avionics (NSTS 07700, Vol. XIV, Appendix 3)"" (PDF). NASA. p. 111. Retrieved 2006-12-17.Section 8.5, page 66
  13. ^ "SPDU position from STS-98" (PDF). Spaceref.com. Retrieved 2006-12-17.
  14. ^ "Ascent Checklist STS-116" (PDF). Mission Operations Directorate Flight Design and Dynamics Division. 2006-10-19. p. 174. Retrieved 2006-12-17. page 174: AFT FLIGHT DECK PAYLOADS SWITCH LIST FOR HANDOVER
  15. ^ "Space Shuttle Program Payload Bay Payload User's Guide (Section 5.2.2.3 Station Power Distribution Unit)" (PDF). NASA Lyndon B. Johnson Space Center. December, 2000. Retrieved 2006-12-17. {{cite web}}: Check date values in: |date= (help); Cite has empty unknown parameter: |1= (help); Unknown parameter |PAGE= ignored (|page= suggested) (help)
  16. ^ "Discovery astronauts arrive at the Cape for launch". Spaceflight Now. Retrieved 2006-12-03.
  17. ^ "NASA hopes to launch next shuttle a week early". Yahoo! News. Retrieved 2006-09-30.
  18. ^ ""NASA hoping clouds will part for Discovery"". Retrieved 2006-12-08.
  19. ^ "European Landing Sites for Shuttle Flights". Retrieved 2006-12-17..
  20. ^ Ker Than (2006-12-12). "NASA: Discovery Shuttle in Good Shape After Launch". SPACE.com. Retrieved 2006-12-12. {{cite news}}: Check |authorlink= value (help); External link in |authorlink= (help)
  21. ^ "Shuttle docks with space station". CNN.com. 2006-12-11. Retrieved 2006-12-11.
  22. ^ Ker Than (2006-12-11). "Mission Discovery: Shuttle Astronauts Dock at ISS". SPACE.com. Retrieved 2006-12-12.
  23. ^ Harwood, William. "Crew set for spacewalk to install truss segment". Spaceflight Now.
  24. ^ a b c Dan Nicolae Alexa. "NASA Resumes Construction of the ISS, P5 Trust Installed". Playfuls.com.
  25. ^ "NASA smoothing out pesky panels". CNN.
  26. ^ Harwood, William (2006-12-13). "Station solar wing to be folded up today". Spaceflight Now. Retrieved 2006-12-13.
  27. ^ Harwood, William (2006-12-13). "Crew struggles to get balky array retracted enough to permit other critical work". Spaceflight Now. Retrieved 2006-12-16.
  28. ^ "Pesky panels foil NASA's finest". CNN. 2006-12-13. Retrieved 2006-12-14.
  29. ^ "STS-116 MCC Status Report #11". 2006-12-14. Retrieved 2006-12-14.
  30. ^ Harwood, William (2006-12-11). "STS-116 Master Flight Plan". Spaceflight Now. Retrieved 2006-12-15.
  31. ^ http://www.tv4.se/nyheter/fuglesang/512491.html
  32. ^ http://www.aftonbladet.se/vss/nyheter/story/0,2789,955915,00.html
  33. ^ "How to fold a solar panel -- NASA style". CNN. 2006-12-15. Retrieved 2006-12-15.
  34. ^ a b c SpaceflightNow (2006-12-16). "Mission Status Center". Spaceflight Now. Retrieved 2006-12-16. Cite error: The named reference "STS116_mission_status" was defined multiple times with different content (see the help page).
  35. ^ Day eight, post mission management meeting press briefing
  36. ^ Day eight, post mission management meeting press briefing
  37. ^ Pre-EVA4 press briefing
  38. ^ Carreau, Mark (2006-12-16). "Discovery crew gets extra day, 4th spacewalk". Houston Chronicle. Retrieved 2006-12-17.
  39. ^ "Space Shuttle Status #19". NASA. 2006-12-18. Retrieved 2006-12-18.
  40. ^ Anikeev, Alexander (2006-12-19). "Number of EVAs of astronauts". Retrieved 2006-12-19.
  41. ^ Fries, Colin (2006-07-18). "Chronology of Wakeup calls" (PDF). NASA. p. 62. Retrieved 2006-12-16.
  42. ^ a b Harwood, William (2006-12-08). ""Quick-Look Mission Facts and Figures"". Spaceflight Now. Retrieved 2006-12-09. {{cite web}}: Check date values in: |date= (help)

See also

Videos