US, Russian astronauts will swap seats on rockets again

In this photo provided by NASA, backdropped against clouds over Earth, the International Space Station is seen from Space Shuttle Discovery as the two orbital spacecraft accomplish their relative separation on March 7, 2011. (NASA/via AP, File)

Russian space agency Russian cosmonaut Anna Kikina trains during preparation for space mission at the Gagarin Cosmonaut Training Centre (GCTC) Roscosmos space agency/via AP)

CAPE CANAVERAL, Fla. — NASA astronauts will go back to riding Russian rockets under an agreement announced Friday, and Russian cosmonauts will catch lifts to the International Space Station with SpaceX beginning this fall.