Video: Change of command aboard International Space Station

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 Kelly, who along with cosmonaut Mikhail Kornienko is midway through a nearly yearlong stay in orbit.

The head of the Russian space agency caused a stir last week when he said a hole drilled through the side of a Soyuz ferry ship docked to the International Space Station was the result of a deliberate act, “either on Earth or in space.” Station commander Drew Feustel said Tuesday it most certainly did not happen in orbit.

Two NASA astronauts and an Italian flight engineer took shelter in the space station’s Russian segment Wednesday as mission control analyzed a possible leak of toxic ammonia coolant aboard the complex. Initial data indicated it was likely a false alarm.