CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, space shuttle Discovery's STS-133 crew members are participating in the Payload Crew Equipment Interface Test, or CEIT. During this phase of CEIT the astronauts have an opportunity to inspect and handle the payload they'll be delivering to the International Space Station. Discovery is targeted to launch at 4:40 p.m. EDT Nov. 1. For more information visit www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

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

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, space shuttle Discovery's STS-133 crew members are participating in the Payload Crew Equipment Interface Test, or CEIT. During this phase of CEIT the astronauts have an opportunity to see first-hand the payload they'll be delivering to the International Space Station. In the right background is the Permanent Multipurpose Module, or PMM, which is packed with supplies and critical spare parts, including Robonaut 2, the dexterous humanoid astronaut helper. Discovery is targeted to launch at 4:40 p.m. EDT Nov. 1. For more information visit www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

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. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the STS-133 crew members examine the exterior of the Permanent Multipurpose Module, or PMM. Pictured are Mission Specialists Nicole Stott and Michael Barratt. The PMM will be used to carry supplies and critical spare parts to the station and will be left behind so it can be used for microgravity experiments in fluid physics, materials science, biology and biotechnology. 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 crew members participate in training activities. Here, Mission Specialist Alvin Drew demonstrates the proper fit of a harness while Mission Specialists Tim Kopra (right), Nicole Stott, Michael Barratt; Commander Steve Lindsey (right foreground) and Pilot Eric Boe 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 the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the STS-133 crew members gather inside the Permanent Multipurpose Module, or PMM for a close look at the storage racks. The PMM will be used to carry supplies and critical spare parts to the station and will be left behind so it can be used for microgravity experiments in fluid physics, materials science, biology and biotechnology. 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, an overhead crane is poised over the Alpha Magnetic Spectrometer, or AMS, to lift the Payload Attach System, or PAS, up to the AMS. The PAS provides a method of securely connecting the payload to the International Space Station. AMS, a state-of-the-art particle physics detector, is designed to operate as an external module on the International Space Station. It will use the unique environment of space to study the universe and its origin by searching for dark matter. AMS will fly to the station aboard space shuttle Endeavour's STS-134 mission targeted to launch Feb. 26, 2011. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, a technician continues processing the Express Logistics Carrier-3, or ELC-3 while the STS-133 mission astronauts continue training. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Alvin Drew signs his name on a flag that will be flown on the mission, while Pilot Eric Boe looks on. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra gets an up-close view of the Express Logistics Carrier-3, or ELC-3, accompanied by processing technicians. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialists Tim Kopra (left) and Alvin Drew inspect a component of the payload as Mission Specialist Michael Barratt and Pilot Eric Boe look on. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, the STS-133 crew members and processing technicians inspect the Express Logistics Carrier-3, or ELC-3. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 crew members look on as SSPF technicians below describe the payload. From left to right are Mission Specialists Tim Kopra, Nicole Stott, Michael Barratt and Pilot Eric Boe. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

CAPE CANAVERAL, Fla. -- In the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, STS-133 Mission Specialist Tim Kopra practices using a tool on the Permanent Multipurpose Module, or PMM. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller

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 on the Permanent Multipurpose Module, or PMM, while Mission Specialist Tim Kopra (right) awaits his turn. The astronauts are at Kennedy to participate in the Payload Crew Equipment Interface Test, or CEIT, which gives the crew an opportunity for hands-on training with tools they'll be using in space and familiarization of the payload they will be delivering to the International Space Station. Launch of space shuttle Discovery is targeted for Nov. 1 at 4:40 p.m. EDT. For more information visit, www.nasa.gov/shuttle. Photo credit: NASA/Jack Pfaller