Direct Current To Direct Current (DDCU) LA1A Trip: Last Thursday, DDCU LA1A tripped off due to a ~40 amp overcurrent. Parallel DDCU LA4A was already off for Battery 4A conditioning. A Failure Investigation Team (FIT) recommended the crew perform troubleshooting steps including rotation of the rack and visual inspection of the DDCUs, wire harnesses, and …
ABoVE: Burned boreal forests — Come along to measure carbon
As part of our field work to measure carbon emissions in burned areas, we often have to hike through an obstacle course of fallen trees to reach our research sites. I took some video with a GoPro to give a sense of what this is like, as well as how we extract soil to take […]
Expedition 48 Begins and Awaits Three New Crew Members

Expedition 48 officially began Saturday morning with Commander Jeff Williams and Flight Engineers Oleg Skripochka and Alexey Ovchinin continuing their stay aboard the International Space Station. They await the addition of three new crew members who will launch July 6 for a two-day ride to their new home in space. Expedition 47 completed 186 days …
Crew Back on Earth After 186 Days in Space

Expedition 47 Commander Tim Kopra of NASA, and Tim Peake of ESA and Yuri Malenchenko of Roscosmos landed their Soyuz TMA-19M spacecraft in Kazakhstan at 5:15 a.m. EDT. Russian recovery teams will help the crew exit the Soyuz vehicle and adjust to gravity after their stay in space. The trio arrived at the International Space …
Crew Leaves Station After 186 Days in Space
After spending 186 days aboard the International Space Station, Tim Kopra, Tim Peake and Yuri Malenchenko undocked from the station at 1:52 a.m. EDT 254 miles over eastern Mongolia to begin their voyage home. Malenchenko is at the controls of the Soyuz TMA-19M spacecraft. They will perform a separation burn to increase the distance from …
Crew Says Farewell, Prepares Soyuz for Undocking

At 10:34 p.m. EDT, the Soyuz hatch closed between the International Space Station and the TMA-19M spacecraft. Expedition 47 crew members Tim Kopra of NASA, Tim Peake of ESA (European Space Agency) and Yuri Malenchenko of Roscosmos are preparing to undock at 1:52 a.m. NASA Television will air live coverage of undocking beginning at 1:30 …
NASA Astronauts Swap Station Command

At 9:20 a.m. EDT, NASA astronaut Jeff Williams assumed command of the International Space Station from astronaut Tim Kopra of NASA in a traditional Change of Command ceremony. Expedition 48 will officially begin under Williams’ command when the Soyuz spacecraft carrying Kopra, Tim Peake of ESA (European Space Agency) and Russian cosmonaut Yuri Malenchenko undocks …
ISS Daily Summary Report – 06/16/16
Autonomous Mission Operations (AMO) Run 3: The crew executed the final of three crew initiated experiment runs by using onboard AMO software to complete the autonomous deactivation and activation of an Expedite the Processing of Experiments to Space Station (EXPRESS) ER7. The AMO investigation tests advanced software and operational concepts to determine how crew members …
Astronauts Swap Station Command Friday Morning

Three Expedition 47 crew members are preparing to go home early Saturday morning. Three other station residents will stay behind beginning Expedition 48 on the International Space Station. Veteran cosmonaut Yuri Malenchenko will command the Soyuz TMA-19M spacecraft that will take him and astronauts Tim Kopra and Tim Peake back to Earth. The trio are …


