
NASA spacewalker Victor Glover works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalker Victor Glover works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalker works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalker Victor Glover works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalker Victor Glover works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalker Victor Glover works to ready the International Space station’s port-side truss structure for future solar array upgrades.

NASA spacewalkers (from left) Victor Glover and Michael Hopkins are suited up and ready for the year’s first spacewalk.

NASA spacewalkers (from left) Victor Glover and Michael Hopkins are suited up and ready for the year’s first spacewalk.

NASA spacewalker works to ready the International Space station’s port-side truss structure for future solar array upgrades.

This week in 1985, space shuttle Discovery, mission STS-51C, launched from NASA’s Kennedy Space Center on the first dedicated Department…