NASA orders up urgent spacewalking repairs at space station

CAPE CANAVERAL, Fla. (AP) – NASA has ordered up urgent spacewalking repairs at the International Space Station.
On Tuesday, two astronauts will venture out to replace a data relay box that broke over the weekend. The job falls to the two Americans on board: commander Peggy Whitson and Jack Fischer.
The failed unit is one of two that control the station’s radiators and solar panels, among other critical systems. NASA says everything is still safe in orbit because one relay box is stil