With his year in orbit at an end, Expedition 46 commander Scott Kelly hands command of the International Space Station to Expedition 47 commander Tim Kopra.
Mission Reports
Spacewalkers complete another round of solar array battery replacements
It took NASA more than 50 years to stage its first all-female spacewalk last October. It took three months before the second on Jan. 15 and just five days more for the third on Monday, a successful six-hour 58-minute excursion to finish installing a set of new solar array batteries aboard the International Space Station.
