ISS Managers Allow Crew to Move Back into U.S. Segment Following Early Morning Alarm

From NASA TV: “Astronauts Barry WiImore (foreground) and Terry Virts re-entered the U.S. segment wearing protective masks.” Image Credit: NASA TV

The crew of the International Space Station (ISS) housed in its U.S. segment received a most unwelcome wake-up call in the form of an alarm indicating a possible ammonia leak at 4 a.m. [...]