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Yuri Valentinovich Lonchakov

 Total EVAs:  2
 Total EVA time:  10h 27m

No. Date Together with Time Main tasks and notes
 1  23.12.2008  M. Fincke  5h 38m
Deploying and retrieve several Russian experiments on the station's exterior and installing a device to measure electromagnetic forces imparted on station hardware as the complex moves through low Earth orbit
 2  10.03.2009  M. Fincke  4h 49m
Installing of EXPOSE-R, a European experiment that exposes seeds and spores to the space environment

Russia and the U.S. define EVA differently. Russian cosmonauts are said to perform EVA any time they are in vacuum in a space suit. A U.S. astronaut must have at least his head outside his spacecraft before he is said to perform an EVA.
In this table, we apply the Russian definition to Russian EVAs, and the U.S. definition to U.S.EVAs.