Russia's Soyuz TMA-21 piloted spacecraft carrying Russian cosmonauts Alexander Samokutyayev and Andrei Borisenko, and U.S. astronaut Ronald Garan docked with the International Space Station on Thursday.
The new ISS crewmembers blasted off from the Baikonur space center in Kazakhstan on Tuesday and will stay on board the space station for about 180 days, RIA Novosti reported.