UPDATE 1-Astronauts breeze through spacewalk to rig station for U.S. space taxis
March 01, 2015 at 13:32 PM EST
CAPE CANAVERAL, Fla March 1 (Reuters) - Two U.S. astronauts whipped through a third spacewalk outside the International Space Station on Sunday to rig parking spots for new U.S. space taxis.
