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Space shuttle Endeavour OV-105 by bagera3005 Space shuttle Endeavour OV-105 by bagera3005
Space Shuttle Endeavour (Orbiter Vehicle Designation: OV-105) is one of three currently operational orbiters in the Space Shuttle fleet of NASA, the space agency of the United States.[1] (The other two are Discovery and Atlantis.) Endeavour is the fifth and final spaceworthy NASA space shuttle to be built, constructed as a replacement for Challenger. Endeavour first flew in May 1992 on STS-49 and is scheduled for decommissioning in 2010.[2]

History

The United States Congress authorized the construction of Endeavour in 1987 to replace Challenger, which was lost in an accident in 1986. Structural spares from the construction of Discovery and Atlantis, two of the three remaining operating shuttles at the time, were used in its assembly. The decision to build Endeavour was favored over refitting Enterprise on cost grounds.

Endeavour was named through a national competition involving students in elementary and secondary schools. Entries included an essay about the name, the story behind it and why it was appropriate for a NASA shuttle, and the project that supported the name. Endeavour was the most popular entry, accounting for almost one-third of the state-level winners.[3] For example, Utah's state level winner, Nolan Butcher, a sixth grade student from Nibley Park Elementary school located in Salt Lake City Utah, selected Endeavour because some definitions of the word mean to be bold and put forth great effort. The national winners were Senatobia Middle School in Senatobia, Mississippi, in the elementary division and Tallulah Falls School in Tallulah Falls, Georgia, in the upper school division. The national winners were selected based on the quality of the project submitted with their entries. They were honored at several ceremonies in Washington, D.C., including a White House ceremony where then-President George H.W. Bush presented awards to each school.[3]

The orbiter is named after HM Bark Endeavour, the ship commanded by 18th century explorer James Cook; the name also honored Endeavour, the Command Module of Apollo 15. This is why the name is spelled in the British English manner, rather than the American English spelling of "Endeavor." This has caused confusion, most notably when NASA themselves misspelled a sign on the launch pad in 2007.[4]

Endeavour was delivered by Rockwell International in May 1991 and first launched a year later, in May 1992, on STS-49. Rockwell International claimed that it had made no profit on Space Shuttle Endeavour, despite construction costing US$2.2 billion. On its first mission, it captured and redeployed the stranded INTELSAT VI communications satellite.

In 1993, it made the first service mission to the Hubble Space Telescope. Endeavour was withdrawn from service for eight months in 1997 for a retrofit, including installation of a new airlock. In December 1998, it delivered the Unity Module to the International Space Station.
Endeavour as photographed from the International Space Station as it approached the station during STS-118.

Endeavour completed its latest Orbiter Major Modification period, which began in December 2003, and ended on October 6, 2005. During this time, the Orbiter received major hardware upgrades, including a new, multi-functional, electronic display system, often referred to as glass cockpit, and an advanced GPS receiver, along with safety upgrades recommended by the Columbia Accident Investigation Board (CAIB) for Shuttle return to flight after the disintegration of sister-ship Columbia during re-entry on February 1, 2003.

The STS-118 mission, the first for Endeavour following a lengthy refit, included astronaut Barbara Morgan, formerly assigned to the Educator Astronaut program, but now a full member of the Astronaut Corps, as part of the crew. Morgan was the backup for Christa McAuliffe on the ill-fated STS-51-L mission.

[edit] Upgrades and features
Endeavour mounted on the Shuttle Carrier Aircraft.

As it was constructed later, Endeavour was built with new hardware designed to improve and expand orbiter capabilities. Most of this equipment was later incorporated into the other three orbiters during out-of-service major inspection and modification programs. Endeavour’s upgrades include:

* A 40-foot (12 m) diameter drag chute that is expected to reduce the orbiter's rollout distance by 1,000 to 2,000 feet (300 to 610 m).
* The plumbing and electrical connections needed for Extended Duration Orbiter (EDO) modifications to allow up to 28-day missions (although a 28-day mission has never yet been attempted; the current record is 17 days, which was set by Columbia).
* Updated avionics systems that include advanced general purpose computers, improved inertial measurement units and tactical air navigation systems, enhanced master events controllers and multiplexer-demultiplexers, a solid-state star tracker and improved nose wheel steering mechanisms.
* An improved version of the Auxiliary Power Units (APUs) that provide power to operate the Shuttle's hydraulic systems.

Modifications resulting from a 2005-2006 refit of Endeavour include:

* The Station-to-Shuttle Power Transfer System (SSPTS), which converts 8 kilowatts of DC power from the ISS main voltage of 120VDC to the orbiter bus voltage of 28VDC. This upgrade will allow Endeavour to remain on-orbit while docked at ISS for an additional 3- to 4-day duration. The corresponding power equipment was added to the ISS during the STS-116 station assembly mission, and Endeavour flew with SSPTS capability during STS-118.[5][6][7]

[edit] Planned decommissioning

According to NASA, Endeavour will be decommissioned in 2010, after 18 years of service, along with Discovery and Atlantis. NASA expects to have the Orion spacecraft ready no later than 2014. Endeavour's final flight was originally scheduled to be the last of the Space Shuttle program, on the STS-133 mission to the International Space Station, which will carry the final components in the ISS assembly sequence, the EXPRESS Logistics Carrier ELC5 and ELC1, to orbit. However, in 2008 one more mission (STS-134) was funded, and so Discovery is now slated to be the final Orbiter to fly.

NASA has offered two of the three remaining orbiters for museum donation once they are withdrawn from service. March Field Air Museum in Riverside, California has submitted a proposal to NASA for the display of an orbiter, and has stated a preference to receive Endeavour, due to the local connection of astronaut Tracy Caldwell, who grew up in Beaumont and flew on Endeavour during mission STS-118.[8]

[edit] Flights
# Launch date Designation Launch pad Landing location Notes
1 1992-05-07 STS-49 39-B Edwards Air Force Base First flight of Endeavour: Capture and redeploy Intelsat VI. First three-man EVA, longest US EVA since Apollo 17
2 1992-09-12 STS-47 39-B Kennedy Space Center Spacelab mission J
3 1993-01-13 STS-54 39-B Kennedy Deploy TDRS-F
4 1993-06-21 STS-57 39-B Kennedy Spacelab experiments. Retrieve European Retrievable Carrier
5 1993-12-02 STS-61 39-B Kennedy First Hubble Space Telescope service mission (HSM-1)
6 1994-04-09 STS-59 39-A Edwards Space Radar Laboratory experiments
7 1994-09-30 STS-68 39-A Edwards Space Radar Laboratory experiments
8 1995-03-02 STS-67 39-A Edwards Spacelab Astro-2 experiments
9 1995-09-07 STS-69 39-A Kennedy Wake Shield Facility and other experiments
10 1996-01-11 STS-72 39-B Kennedy Retrieve Japanese Space Flyer Unit
11 1996-05-19 STS-77 39-B Kennedy Spacelab experiments
12 1998-01-22 STS-89 39-A Kennedy Rendezvous with Mir space station and astronaut exchange
13 1998-12-04 STS-88 39-A Kennedy International Space Station assembly mission (assembled the Unity Module (Node 1), first American component of the ISS)
14 2000-02-11 STS-99 39-A Kennedy Shuttle Radar Topography Mission experiments
15 2000-11-30 STS-97 39-B Kennedy International Space Station assembly mission (P6 truss segment)
16 2001-04-19 STS-100 39-A Edwards International Space Station assembly mission (Canadarm2 robotic arm and hand)
17 2001-12-05 STS-108 39-B Kennedy International Space Station rendezvous and astronaut exchange (Expedition 3/Expedition 4)
18 2002-06-05 STS-111 39-A Edwards International Space Station rendezvous and astronaut exchange (Expedition 4/Expedition 5)
19 2002-11-23 STS-113 39-A Kennedy International Space Station assembly mission and astronaut exchange/final successful shuttle flight before the Columbia disaster (Expedition 5/6 exchange; P1 truss segment assembly)
20 2007-08-08 STS-118 39-A Kennedy Four spacewalks conducted.[9] Installation of the International Space Station S5 Truss, of the Integrated Truss Structure. Carried a SPACEHAB module carrying 5,000 pounds of supplies and equipment to the International Space Station. Crew included the Educator Astronaut Barbara Morgan. Thermal tiles protecting the underside of the vehicle were damaged during launch. NASA decided not to fix this damage in-flight as it was not believed to be serious enough to result in loss of vehicle or crew. The craft landed a day early due to the possibility that Hurricane Dean would force Mission Control to evacuate.
21 2008-03-11 STS-123 39-A Kennedy International Space Station assembly mission which delivered the first element of Japan's Kibo module along with the Canadian Special Purpose Dexterous Manipulator robotic arm, and the Spacelab Pallet-Deployable 1.
22 2008-11-14 STS-126 39-A Edwards[10] International Space Station assembly mission that brought equipment and supplies in the Multi-Purpose Logistics Module Leonardo, and Expedition 18 crew rotation, Sandra Magnus replaced Gregory Chamitoff. Endeavour was the first and last orbiter[clarification needed] to land on the temporary Runway 4 at Edwards AFB, as the refurbished main runway will be operational from STS-119 onwards.[11]
23 2009-07-11** STS-127 39-A Kennedy International Space Station assembly mission which will deliver the last two elements of Japan's Kibo Module along with the Spacelab Pallet-Deployable 2, and an Integrated Cargo Carrier-Vertical Light Deployable.
Add a Comment:
 
:iconorionthelugia:
OrionTheLugia Featured By Owner Mar 19, 2014
On the side view of Endeavour, the flag is backwards.
Reply
:iconorionthelugia:
OrionTheLugia Featured By Owner Mar 19, 2014
Actually you have put the flag on backwards on all the shuttles
Reply
:iconbagera3005:
bagera3005 Featured By Owner Mar 19, 2014  Professional Interface Designer
on that side of shuttle it is backwards
Reply
:iconeagle1division:
Eagle1Division Featured By Owner Sep 18, 2011  Hobbyist General Artist
Only 2.2 billion to build? A launch costs 1.6 billion!

But that's really a lot cheaper than I thought. I wonder if private companies will ever take up the idea of a reusable spaceplane...

I know of at least 3 improvements that can be made. No OME's, a number of craft just use RCS for OMS maneuvers. No APU's, the Venture Star was going to use an all-electric system. And finally, get rid of those SRB's and replace them with something much cheaper. That's where a majority of launch costs come from. I remember a NASA engineer calling them "reconstructable" solid rocket boosters, not reusable :P

I'd love to propose something like that if I ever get a job as Aerospace Engineer in a private firm...
Reply
:iconz101rocks:
Z101rocks Featured By Owner Jul 4, 2011  Hobbyist General Artist
I LOVE this!
Reply
:iconangel1985:
angel1985 Featured By Owner Jun 17, 2011  Hobbyist Artist
How does every feels now that Endeavour has ended its 19 years of spaceflight?
Reply
:iconsvenniemannie:
svenniemannie Featured By Owner Nov 6, 2010  Hobbyist Photographer
Faved this in the hopes that I'll get back to 3d-modelling one day. Then I'll at least have a good reference ;)
Reply
:iconfarriderphotos:
farriderphotos Featured By Owner Sep 2, 2010
This is just excellent!
Reply
:iconmatrixtacticx:
MatrixTacticX Featured By Owner Jan 4, 2010
CANT BELIEVE IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
YOU MADE THAT PICTURE FROM PURE PAINT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (program)
Reply
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