NASA - National Aeronautics and Space Administration

S133-E-008331 (3 March 2011) --- NASA astronaut Nicole Stott, STS-133 mission specialist, is pictured in the Columbus laboratory of the International Space Station while space shuttle Discovery remains docked with the station. Photo credit: NASA or National Aeronautics and Space Administration

S133-E-008333 (3 March 2011) --- NASA astronaut Alvin Drew, STS-133 mission specialist, works on the middeck of space shuttle Discovery while docked with the International Space Station. Photo credit: NASA or National Aeronautics and Space Administration

S133-E-008336 (3 March 2011) --- NASA astronauts Eric Boe (left), STS-133 pilot; Nicole Stott and Michael Barratt, both mission specialists, work on the middeck of space shuttle Discovery while docked with the International Space Station. Photo credit: NASA or National Aeronautics and Space Administration

ISS026-E-031606 (3 March 2011) --- Expedition 26 and STS-133 crew members share a meal in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station. Pictured from the left are NASA astronauts Steve Bowen, Nicole Stott, both STS-133 mission specialists; Steve Lindsey, STS-133 commander; European Space Agency astronaut Paolo Nespoli, Expedition 26 flight engineer; and NASA astronaut Michael Barratt, STS-133 mission specialist.

ISS026-E-031609 (3 March 2011) --- NASA astronaut Eric Boe (left), STS-133 pilot; and Steve Bowen, mission specialist, are pictured in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station.

ISS026-E-031615 (3 March 2011) --- NASA astronaut Alvin Drew, STS-133 mission specialist, is pictured in his sleeping bag, which is attached in the Columbus laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

ISS026-E-031616 (3 March 2011) --- NASA astronaut Alvin Drew, STS-133 mission specialist, is pictured in his sleeping bag, which is attached in the Columbus laboratory of the International Space Station while space shuttle Discovery remains docked with the station.

ISS026-E-031618 (3 March 2011) --- NASA astronauts Scott Kelly (foreground), Expedition 26 commander; Cady Coleman, Expedition 26 flight engineer; and Michael Barratt, STS-133 mission specialist, watch a monitor in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station.

ISS026-E-031619 (3 March 2011) --- NASA astronauts Scott Kelly (foreground), Expedition 26 commander; Cady Coleman, Expedition 26 flight engineer; and Michael Barratt, STS-133 mission specialist, watch a monitor in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station.