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Maintenance and Science for Crew after Holiday Weekend
iss033e021464 -- City lights of Tokyo

This nighttime photograph, taken by one of the crew members aboard the International Space Station, features city lights of Tokyo, on the north west side of Tokyo Bay. Credit: NASA

After enjoying some time off over the Thanksgiving holiday weekend, the three Expedition 34 crew members living and working aboard the International Space Station got back to work Monday, performing a variety of maintenance duties and science experiments.

› Read more about Thanksgiving aboard the station

Expedition 34 Commander Kevin Ford performed some routine maintenance in the Waste and Hygiene Compartment, removing and replacing air filters. He also performed hatch seal inspections throughout the U.S. section of the orbiting laboratory, taking photographs of the seals for downlink and expert analysis.

Flight Engineers Oleg Novitskiy and Evgeny Tarelkin worked with the Typologia experiment, which studies a crew member's psychophysical state and ability to perform and communicate under stress.

› Read about Typologia

Novitskiy and Tarelkin also worked in the Russian segment of the station, monitoring its systems and performing a variety of housekeeping and maintenance duties.

The crew members collected blood samples and performed body mass measurements to help experts on the ground track their health during their stay aboard the station. They also had time set aside to perform their daily exercise routines. Station residents are required to exercise for 2.5 hours daily to help stave off the effects of long-term exposure to the microgravity environment aboard the orbiting complex.

Meanwhile, at the Gagarin Cosmonaut Training Center in Star City, Russia, three additional Expedition 34 crew members continue preparations for their upcoming trip to the station. NASA astronaut Tom Marshburn, Canadian Space Agency astronaut Chris Hadfield, and Russian Federal Space Agency cosmonaut Roman Romanenko are scheduled to launch from the Baikonur Cosmodrome Dec. 19 and dock to the station two days later for a five-month stay. Hadfield will become the first Canadian to command the station when Ford, Novitskiy and Tarelkin depart in March, marking the start of Expedition 35.