Wake up early with Astronauts Peggy Whitson and Jack Fischer as they prepare to venture outside the International Space Station for a contingency #spacewalk. Coverage begins at 6:30 a.m. EDT, with spacewalk activities starting around 8 a.m. During the 2-hour spacewalk, crewmembers will replace a data relay box that failed on Saturday morning. Details: http://go.nasa.gov/2raSI2o
