“But we did our best and tried to keep space station in great operational condition for the next crew,” he said. “Thank you very much to all MCCs (mission control centers). We worked as one team and thank you for your support. I’ll be looking forward to seeing you on the ground, I’ll be looking forward to seeing my crewmates on the ground, some of them earlier, some of them later.”. Scott Joseph Kelly (born February 21, 1964; CAPT, USN, Ret.) is an engineer, a retired American astronaut, and a retired U.S. Navy captain. A veteran of four space flights, Kelly commanded the International Space Station (ISS) on Expeditions 26, 45, and 46.. In a brief ceremony Saturday, veteran cosmonaut Gennadi Padalka, the most experienced spaceman on or off the planet, turned over command of the International Space Station to NASA astronaut Scott .