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After spending 167 days aboard the International Space Station, Barry Wilmore, Alexander Samokutyaev and Elena Serova undocked from the station at 6:44 p.m. EDT to begin their voyage home. Samokutyaev, the Soyuz commander, is at the controls of the Soyuz TMA-14M spacecraft. They will perform a separation burn to increase the distance from the station …

A fireball occurred over southern Wyoming/northern Colorado at 6:01 AM Mountain Daylight Time. The available eyewitness and video information indicates that the meteor moved from East to West at about 45,000 miles per hour and weighed a few pounds (2 to 4 pounds are the preliminary estimates). The fireball belongs to a class of meteors called …

At 3:34 p.m. EDT, the Soyuz hatch closed between the International Space Station and the TMA-14M spacecraft. Expedition 42 crew members Barry Wilmore of NASA and Alexander Samokutyaev and Elena Serova of Roscosmos are preparing to undock at 6:44 p.m. NASA Television will air live coverage of undocking beginning at 6:15 p.m. The deorbit burn …

40 Soyuz (40S) Undock and Landing: 40S undocked at 5:45pm CDT today bringing Wilmore, Serova and Samokutyaev back to Earth. Landing occurred at 9:07pm in Kazakhstan. The ISS will be in 3-crew operations until 42S docking on May 28. Biolab Troubleshooting (TripleLux-B):  Cristoforetti performed troubleshooting to recover smoke detection in the Biolab facility.  She removed …

Today is homecoming day for International Space Station Commander Barry “Butch” Wilmore of NASA and Flight Engineers Alexander Samokutyaev and Elena Serova of the Russian Federal Space Agency (Roscosmos) as they prepare for landing in their Soyuz TMA-14M spacecraft at 10:07 p.m. EDT this evening, southeast of Dzhezkazgan, Kazakhstan. At this time, there are no …

Russian Joint Research (RJR) Augmented Microbial Sampling:  Shkaplerov collected samples from various locations throughout the ISS that are prone to microbial contamination.  Samples will be returned on 40S.  The data gathered and monitoring technologies used in Augmented Microbial Sampling are shared between NASA and Roscosmos. The purpose is to provide a scientific basis for decisions …

Expedition 42 Commander Barry Wilmore handed over control of the International Space Station to NASA astronaut Terry Virts in a Change of Command Ceremony today. Virts will lead Expedition 43 when Wilmore and Soyuz Commander Alexander Samokutyaev and Flight Engineer Elena Serova undock Wednesday at 6:44 p.m. EDT in their Soyuz TMA-14M spacecraft. › Check …

Mobile Servicing System (MSS) Operations: On Saturday, Robotics Ground Controllers powered up the Mobile MSS cameras and maneuvered the Space Station Remote Manipulator System (SSRMS) to move the Special Purpose Dexterous Manipulator (SPDM) into position to install the spare Pump Module (PM) on External Stowage Platform (ESP) 2.  SPDM Arm 2 then installed the PM …

Expedition 42 crew members Barry Wilmore, Alexander Samokutyaev and Elena Serova are two days away from ending their stay aboard the International Space Station. The trio is packing gear and cleaning crew quarters as they prepare to undock in their Soyuz TMA-14M spacecraft Wednesday at 6:44 p.m. EDT and land in Kazakhstan at 10:07 p.m. …

Airway Monitoring Experiment: The crew prepared the airlock by removing equipment, transferring and setting up Airway Monitoring hardware and configuring a video camera. This experiment was performed in the US airlock at 10.2 psi pressure with the hatch closed. This is the first time the US equipment lock (as a hypobaric facility) was used for …