Two Expedition 68 astronauts are preparing to exit the International Space Station on Wednesday and augment the orbiting lab’s power generation system. The duo from NASA, Frank Rubio and Josh Cassada, will spend about seven hours installing the station’s fourth roll-out solar array on the Port-4 (P4) truss structure. Rubio and Cassada spent Tuesday gathering …
Spacewalk Preps Under Way During Multitude of Science Experiments










