NASA Shuttle Weather Officer Kathy Winters participates in the space shuttle Discovery launch status briefing on Friday, Oct. 29, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. Discovery and it's STS-133 mission crew of six are currently targeted to launch at 4:17p.m. EDT on Tuesday, Nov. 2, 2010. Photo Credit: (NASA/Bill Ingalls)

Romeo Durscher from Stanford, CA, who goes by @RomeoCH on Twitter, tweets with his Solar Dynamics Observatory (SDO) mascot named "Camilla" by his side during the NASA STS-133 mission tweetup on Monday, Nov., 1, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. NASA Tweetups provide @NASA followers with the opportunity to go behind-the-scenes at NASA facilities and events and speak with scientists, engineers, astronauts and managers. Photo Credit: (NASA/Bill Ingalls)

NASA Spokesperson Allard Beutel, left, and NASA Test Director Jeff Spaulding, participate in the space shuttle Discovery launch status briefing on Friday, Oct. 29, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. Discovery and it's STS-133 mission crew of six are currently targeted to launch at 4:17p.m. EDT on Tuesday, Nov. 2, 2010. Photo Credit: (NASA/Bill Ingalls)

An faint profile outline of the space shuttle Discovery and launch pad 39a are seen projected in the sky as powerful xenon lights illuminate launch pad 39a on Wednesday, Nov. 3, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Photo Credit: (NASA/Bill Ingalls)

NASA Spokesperson Allard Beutel, left, NASA Test Director Jeff Spaulding and Shuttle Weather Officer Kathy Winters, right, participate in the space shuttle Discovery launch status briefing on Friday, Oct. 29, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. Discovery and it's STS-133 mission crew of six are currently targeted to launch at 4:17p.m. EDT on Tuesday, Nov. 2, 2010. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery is seen on launch Pad 39a as the Rotating Service Structure (RSS) is rolled back on Wednesday, Nov. 3, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Photo Credit: (NASA/Bill Ingalls)

Space Shuttle Discovery (STS-133) lands, Wednesday, March 9, 2011, at Kennedy Space Center in Cape Canaveral, Fla., completing its 39th and final flight. Since 1984, Discovery flew 39 missions, spent 365 days in space, orbited Earth 5,830 times and traveled 148,221,675 miles. Photo credit: (NASA/Bill Ingalls)

Space Shuttle Discovery (STS-133) is seen shortly after it landed, Wednesday, March 9, 2011, at Kennedy Space Center in Cape Canaveral, Fla., completing its 39th and final flight. Since 1984, Discovery flew 39 missions, spent 365 days in space, orbited Earth 5,830 times and traveled 148,221,675 miles. Photo credit: (NASA/Bill Ingalls)

Space Shuttle Discovery (STS-133) lands, Wednesday, March 9, 2011, at Kennedy Space Center in Cape Canaveral, Fla., completing its 39th and final flight. Since 1984, Discovery flew 39 missions, spent 365 days in space, orbited Earth 5,830 times and traveled 148,221,675 miles. Photo credit: (NASA/Bill Ingalls)

Space Shuttle Discovery (STS-133) lands, Wednesday, March 9, 2011, at Kennedy Space Center in Cape Canaveral, Fla., completing its 39th and final flight. Since 1984, Discovery flew 39 missions, spent 365 days in space, orbited Earth 5,830 times and traveled 148,221,675 miles. Photo credit: (NASA/Bill Ingalls)

The space shuttle Discovery is seen on launch Pad 39a after the Rotating Service Structure (RSS) is rolled back on Wednesday, Nov. 3, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Photo Credit: (NASA/Bill Ingalls)

The space shuttle Discovery is seen on launch Pad 39a after the Rotating Service Structure (RSS) is rolled back on Wednesday, Nov. 3, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. During space shuttle Discovery's final spaceflight, the STS-133 crew members will take important spare parts to the International Space Station along with the Express Logistics Carrier-4. Photo Credit: (NASA/Bill Ingalls)

The runway of the Shuttle Landing Facility (SLF) is marked to show where the wheels stopped for the space shuttle Discovery (STS-133) shortly after it landed, Wednesday, March 9, 2011, at Kennedy Space Center in Cape Canaveral, Fla., completing its 39th and final flight. Since 1984, Discovery flew 39 missions, spent 365 days in space, orbited Earth 5,830 times and traveled 148,221,675 miles. Photo credit: (NASA/Bill Ingalls)

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

STS-133 ET-137 Repairs

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Nicole Stott is given the opportunity to get a close look of the equipment that will be used on their mission. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey familiarizes himself with the layout of the shuttle's cockpit. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left) and Alvin drew examine hardware they will use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, the STS-133 crew members look up into the shuttle's wheel well as a technician describes the landing gear. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, the STS-133 crew members inspect thermal protection system underneath the shuttle. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra practices with a tool he will use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left) and Alvin drew examine hardware they will use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Alvin Drew looks through the viewfinder of a camera that he will use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey (left) and Pilot Eric Boe examine a piece of hardware that will fly on their mission. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra looks through the viewfinder of a camera that he will use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

STS-133 Commander Steven Lindsey, far left, presents a montage to President Barack Obama as crew members Michael Barratt, Pilot Eric Boe, Nicole Stott, and Stephen Bowen look on during a visit to the Oval Office in the White House, Monday, May 9, 2011, in Washington. Also in attendance but not seen, was Mission Specialist Alvin Drew. Photo Credit: (NASA/Paul E. Alers)

STS-133 Discovery ET-137 Repair Work Preps - Scaffolding

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery ET-137 Tanking Test Preps

STS-133 ET-137 Tanking Test as seen from Press Site

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery ET-137 Repair Work Preps - Scaffolding

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery ET-137 Tanking Test Preps

STS-133 Discovery ET-137 Repair Work Preps - Scaffolding

STS-133 Discovery ET-137 Repair Work Preps - Scaffolding

STS-133 Discovery ET-137 Tanking Test Preps

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 Discovery Preps for ET-137 Work in VAB

STS-133 ET-137 Tanking Test as seen from Press Site

STS-133 Discovery X-ray scans ET-137 in VAB

STS-133 Discovery ET-137 Tanking Test Preps

STS-133 Discovery ET-137 Repair Work Preps - Scaffolding

STS-133 ET-137 Tanking Test as seen from Press Site

STS-133 Discovery Preps for ET-137 Work in VAB

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Alvin Drew (right) assists Mission Specialist Tim Kopra during a hands-on exercise with tools they will use on the mission. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, a technician describes the thermal protection system underneath the shuttle to STS-133 Mission Specialists Tim Kopra and Alvin Drew. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, a technician discusses the shuttle's braking system to the STS-133 crew members. Pictured are Commander Steve Lindsey (left), Mission Specialist Michael Barratt, Nicole Stott; Pilot Eric Boe and Mission Specialist Tim Kopra. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, a technician speaks with STS-133 Mission Specialist Michael Barratt (left) and Commander Steve Lindsey inside the shuttle's payload bay. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe and Commander Steve Lindsey (partially obscured) become familiar with the layout of the shuttle's cockpit. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey listens intently as a technician describes the features of a heat-shield tile while Mission Specialists Michael Barratt, Alvin Drew and other technicians look on. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- Attired in clean-room gear, known as 'bunny suits,' STS-133 Pilot Eric Boe and Mission Specialist Nicole Stott peer into the shuttle's payload bay under the watchful eye of a technician in Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Alvin Drew practices with a tool he will use while in space as Mission Specialist Tim Kopra looks on. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Commander examines the shuttle's wing leading edge while Mission Specialist Tim Kopra and Michael Barratt look on. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra holds a camera that he will use while in space. Mission Specialist Alvin Drew looks on. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe (out of frame) and Mission Specialist Nicole Stott listen to a technician as he describes an element of the shuttle's payload bay. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe (right) and Mission Specialist Michael Barratt look on as Commander Steve Lindsey (center) inspects a piece of hardware that will fly on their mission. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left), Alvin Drew and Nicole Stott review the hardware that will fly on their mission. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, the STS-133 crew members are instructed on the correct fit of a harness. From right are Pilot Eric Boe, Commander Steve Lindsey, Mission Specialists Michael Barratt, Tim Kopra (with harness) Nicole Stott and Alvin Drew. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe (left) and Mission Specialist Nicole Stott enjoy the moment as a technician describes an element of the shuttle's payload bay. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left) and Alvin Drew listen intently as a technician describes a piece of equipment they'll use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- Attired in clean-room gear, known as 'bunny suits,' the STS-133 crew members look into the shuttle's payload bay in Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe (left) and Mission Specialist Nicole Stott listen to a technician as he describes an element of the shuttle's payload bay. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left) and Alvin Drew listen intently as a technician describes a piece of equipment they'll use while in space. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- In Orbiter Processing Facility-3 at NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey and Pilot Eric Boe get a 'birds-eye' view through the window into the shuttle's cockpit. The astronauts are at Kennedy for the Crew Equipment Interface Test, or CEIT, which provides the crew with hands-on training and observation of shuttle and flight hardware for their mission to the International Space Station. Launch of the STS-133 mission on space shuttle Discovery is targeted for Nov. 1 at 4:33 p.m. EDT. Photo credit: NASA_Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Michael Barratt and Nicole Stott pause for a photo after arrival in T-38 training jets to the Shuttle Landing Facility. The STS-133 crew is at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Commander Steve Lindsey talks with Shuttle Launch Director Mike Leinbach at the Shuttle Landing Facility. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- STS-133 Mission Specialist Tim Kopra arrives in a T-38 jet to the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe is greeted by Shuttle Launch Director Mike Leinbach at the Shuttle Landing Facility. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- STS-133 Commander Steve Lindsey and Mission Specialist Tim Kopra arrive in a T-38 jet at the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra speaks to the media gathered for the crew’s arrival at the Shuttle Landing Facility. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- In Firing Room 4 of the Launch Control Center at NASA's Kennedy Space Center in Florida, STS-133 Assistant Shuttle Launch Director and Lead NASA Test Director Charlie Blackwell-Thompson monitors the countdown to launch of space shuttle Discovery on its STS-133 mission to the International Space Station. Discovery and its six-member crew are on a mission to deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the orbiting outpost. Discovery is making its 39th mission and is scheduled to be retired following STS-133. This is the 133rd Space Shuttle Program mission and the 35th shuttle voyage to the space station. For more information on the STS-133 mission, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, Shuttle Launch Director Mike Leinbach greets STS-133 Mission Specialist Alvin Drew at the Shuttle Landing Facility as Pilot Eric Boe looks on. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Pilot Eric Boe (left); Mission Specialists Nicole Stott, Alvin Drew and Michael Barratt greet each other after their arrival at the Shuttle Landing Facility. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Michael Barratt speaks to the media gathered for the crew’s arrival at the Shuttle Landing Facility. The STS-133 crew members are at Kennedy for a practice launch dress rehearsal called the Terminal Countdown Demonstration Test (TCDT) in preparation for their upcoming mission. TCDT provides each shuttle crew and launch team with an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency training. Space shuttle Discovery and its STS-133 crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Launch is targeted for Nov. 1 at 4:40 p.m. For more information on the STS-133 mission, visit www.nasa.gov/shuttle. Photo credit: NASA/Kim Shiflett

STS-133 ET-137 Tanking Test - Red Team (ICE Team) Preps - Firing Room Activities

STS-133 DISCOVERY ET-137 NEW GUCP & TANK FILLER PATCH REPAIR

STS-133 DISCOVERY - HARDWARE REMOVAL FROM ORBITER IN WHITE ROOM - ET FOAM REPAIR PREPS WITH TENTS

STS-133 LAUNCH L-3 COUNTDOWN STATUS & WEATHER BRIEFING WITH KATHY WINTERS, JEFF SPALDING, CANDREA THOMAS

STS-133 DISCOVERY - HARDWARE REMOVAL FROM ORBITER IN WHITE ROOM - ET FOAM REPAIR PREPS WITH TENTS

STS-133 DISCOVERY ET-137 X-RAY BACK SCATTER & SLIDE BASKET

STS-133 DISCOVERY ET-137 X-RAY BACK SCATTER & SLIDE BASKET

STS-133 ET-137 Tanking Test - Red Team (ICE Team) Preps - Firing Room Activities

STS-133 DISCOVERY ET-137 X-RAY BACK SCATTER & SLIDE BASKET

STS-133 Discovery on Pad 39A with Winter Solstice Moon Eclipse - scrubbed Rollback to VAB