article_snippet: Russian cosmonaut Gennady Padalka plans to spend 342 days on the International Space Station -- the longest stretch of time any U.S. astronaut has spent in space.
article_snippet: When added to He previous space missions, that would give He a total of 522 days in space, breaking the record of U.S. astronaut Mike Fincke.
article_snippet: U.S. astronaut Mike Fincke spent a combined 381 days, 15 hours and 11 minutes in space, according to U.S. astronaut Mike Fincke official NASA bio.
article_snippet: While Scott Kelly shoots to set space station and other U.S. records, Padalka is on schedule to set a record for the most total time in space for a human.
article_snippet: Padalka's already spent more than 710 days in space, including stays on Russia's Mir space station and three previous stints on the International Space Station.
highlights_snippet: Russian cosmonaut Gennady Padalka will add to Russian cosmonaut Gennady Padalka all-time human spaceflight record .