Photos: Space Station's Expedition 33 Mission

Fish Headed for Space Station

The above image shows an Aquatic Habitat, or AQH, specimen chamber housing Medaka fish for study on the International Space Station during the Expedition 33/34 mission in 2012.

Astronaut Sunita Williams: Expedition 33

Expedition 33 commander Sunita Williams smiles for the camera after signing one of the doors at the Cosmonaut Hotel (a prelaunch tradition) on Sunday, July 15, 2012 in Baikonur, Kazakhstan.

Sunita Williams Bids Adieu: Expedition 33

Expedition 33 commander Sunita Williams of NASA waves goodbye after leaving the Cosmonaut Hotel, Sunday, July 15, 2012 in Baikonur, Kazakhstan, ahead of her launch to the International Space Station. Williams is also a member of the forthcoming Expedition 33 crew.

Expedition 33/34 Crew Members

NASA astronaut Kevin Ford (left), Expedition 33 flight engineer and Expedition 34 commander; along with Russian cosmonauts Oleg Novitskiy (center) and Evgeny Tarelkin, both Expedition 33/34 flight engineers, pose for a portrait following an Expedition 33/34 preflight press conference at NASA's Johnson Space Center. Image released July 26, 2012.

Astronaut Ford in Spacesuit Fit Check

NASA astronaut Kevin Ford, Expedition 33 flight engineer and Expedition 34 commander, participates in an Extravehicular Mobility Unit (EMU) spacesuit fit check in the Space Station Airlock Test Article (SSATA) in the Crew Systems Laboratory at NASA's Johnson Space Center. Technicians assisted Ford. Image released June 25, 2012.

Expedition 33 Routine Operations Training Session

NASA astronaut Kevin Ford (second right), Expedition 33 flight engineer and Expedition 34 commander; along with Russian cosmonauts Evgeny Tarelkin (left) and Oleg Novitskiy, both Expedition 33/34 flight engineers, participate in a routine operations training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Crew instructor Clinton Balmain (right) assisted the crew members. Photo released July 20, 2012.

Expedition 33/34 Cake-Cutting Ceremony

NASA astronaut Kevin Ford (center), Expedition 33 flight engineer and Expedition 34 commander; along with Russian cosmonauts Oleg Novitskiy (right) and Evgeny Tarelkin, both Expedition 33/34 flight engineers, are pictured during a cake-cutting ceremony in the Jake Garn Simulation and Training Facility at NASA's Johnson Space Center. Image released July 27, 2012.

Williams and Malenchenko Work at ISS Zvezda Service Module

NASA astronaut Sunita Williams, Expedition 33 commander; and Russian cosmonaut Yuri Malenchenko, flight engineer, work in the Zvezda Service Module of the International Space Station.

Expedition Crew Members Pose After Changing-of-Command Ceremony

Expedition 31/32 and Expedition 32/33 crew members pose for a group portrait in the International Space Station's Zvezda Service Module following the ceremony of Changing-of-Command from Expedition 32 to Expedition 33. Pictured on the front row are NASA astronaut Sunita Williams, Expedition 33 commander; and Russian cosmonaut Gennady Padalka, Expedition 32 commander. Pictured on the back row (from the left) are Japan Aerospace Exploration Agency astronaut Aki Hoshide and Russian cosmonaut Yuri Malenchenko, both Expedition 33 flight engineers; NASA astronaut Joe Acaba and Russian cosmonaut Sergei Revin, both Expedition 32 flight engineers.

Expedition Crew Poses Following Changing-of-Command Ceremony

Expedition 31/32 and Expedition 32/33 crew members pose for a group portrait in the International Space Station's Unity node following the ceremony of Changing-of-Command from Expedition 32 to Expedition 33. Pictured on the front row are Russian cosmonaut Gennady Padalka (center), Expedition 32 commander; along with NASA astronaut Joe Acaba (left) and Russian cosmonaut Sergei Revin, both Expedition 32 flight engineers. Pictured on the back row are NASA astronaut Sunita Williams, Expedition 33 commander; along with Russian cosmonaut Yuri Malenchenko (left) and Japan Aerospace Exploration Agency astronaut Aki Hoshide, both Expedition 33 flight engineers.