FILE - In this Tuesday, March 25, 2014 file photo, U.S. astronaut Steven Swanson, left, and Russian cosmonaut Alexander Skvortsov, crew members of the mission to the International Space Station, speak with relatives during pre-launch preparations at the Russian-leased Baikonur cosmodrome in Kazakhstan. Cosmonaut Oleg Artemyev is at center background. In an announcement Wednesday, April 2, 2014, NASA says it is suspending its work with Russia except for the International Space Station. The move comes a week after the space agency said U.S.-Russian space relations were fine despite Russia's annexation of the Crimean Peninsula from Ukraine. NASA employees are barred from traveling to Russia until further notice. Workers also can't email or hold teleconferences with their Russian counterparts. (AP Photo/Maxim Shipenkov, Pool, File)
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