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    ISS Daily Summary Report – 5/01/2019

    Crew Off-Duty:  The crew was off-duty today in preparation for SpaceX (SpX)-17 arrival scheduled on Sunday at 6:00 AM CT. SpX-17 launch is scheduled for Friday, May 3 at 2:11 AM CT.  Main Bus Switching Unit (MBSU) Status: Following Monday’s MBSU 3 failure, team discussions led to the recommendation to Remove & Replace (R&R) the …

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    Astronauts Relax Today Before Robotics Work and Dragon Cargo Mission

    Astronauts David Saint-Jacques and Nick Hague

    The Expedition 59 astronauts are off-duty today relaxing before the planned launch and capture of the SpaceX Dragon resupply ship this weekend. In Mission Control, robotics engineers are preparing to swap a failed power distributor outside the International Space Station. On April 29, the space station team identified an issue with one of the station’s …

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    ISS Daily Summary Report – 4/30/2019

    Main Bus Switching Unit (MBSU) 3 Status: Following yesterday’s MBSU 3 failure, troubleshooting was not successful and the Flight Investigation Team (FIT) determined MBSU 3 is failed.  The crew and ground teams coordinated the install of the Node 1 Y-Jumper and Node 1 Contingency Power Jumper and removal of the Node 1 Channel 2 and …

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    Dragon Cargo Mission Launch No Earlier than May 3

    The International Space Station

    NASA has requested SpaceX move off from May 1 for the launch of the company’s 17th commercial resupply mission to the International Space Station. On April 29, the space station team identified an issue with one of the station’s Main Bus Switching Units that distributes power to two of the eight power channels on the …

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    ISS Daily Summary Report – 4/29/2019

    Main Bus Switching Unit (MBSU) 3 Failure: This morning, a critical bus loss occurred on MBSU 3 that brought down loads on channels 3A and 3B.  Major impacts included KU-band, Alpha Magnetic Spectrometer (AMS), Control Moment Gyro (CMG)-3 and Space Station Remote Manipulator System (SSRMS) redundancy. Troubleshooting was not successful and teams are assessing the …

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    Crew Waits for Dragon Mission While Teams Troubleshoot Power Issue

    Aurora and Night Sky

    A SpaceX Dragon cargo craft is poised to lift off this week from Florida to the International Space Station. The Expedition 59 crew will welcome Dragon when it arrives three days later carrying nearly 5,500 pounds of cargo. Dragon will be encapsulated atop the Falcon 9 rocket at Cape Canaveral Air Force Station for a …

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    ISS Daily Summary Report – 4/26/2019

    SpX-17 Launch Status:  SpX-17 is now scheduled to launch on Wednesday, May 1 with capture/berthing on Saturday, May 4. Rodent Research-12 (RR-12): The crew restocked all four Rodent Habitats by adding new food bars, and cleaning the interior lid and camera lenses. The access unit was also cleaned. Rodent Research-12, Tetanus Antibody Response by B …

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    Crew Juggles Emergency Drill, Space Biology and Dragon Preps

    NASA astronaut Christina Koch works on the COLBERT treadmill

    The six-member Expedition 59 crew conducted a routine, periodic drill for response to emergencies today in the middle of a science-packed day. The astronauts also researched space biology while preparing for next week’s SpaceX Dragon cargo mission. The space residents practiced communications, roles and responsibilities, and evacuating the station in the unlikely event of an …

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    ISS Daily Summary Report – 4/25/2019

    MISSE-FF (Materials ISS Experiment Flight Facility): Robotics Flight Controllers successfully installed one of the new MISSE Science Carrier (MSC) in the #1 position of the MISSE-FF facility and verified commanding capability. Robotics will continue to install the remaining 3 MSCs that arrived on NG-11. The primary Materials ISS Experiment Flight Facility (MISSE-FF) platform provides the …

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