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International Space Station: March 2017



Expedition 50 Commander Shane Kimbrough and Flight Engineer Peggy Whitson of NASA concluded their spacewalk at 2:33 p.m. EDT.


Expedition 50 Flight Engineer Peggy Whitson is set to go on her eighth spacewalk Thursday morning and surpass astronaut Suni Williams' record for the most spacewalks by a female astronaut.


The crew researched the effects of living in space and set up a specialized microscope for a physics experiment today. Two astronauts are also getting ready for a Thursday spacewalk to continue setting up the International Space Station for commercial crew vehicles.


Inside the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, a powered cargo unit (Polar) is ready for late stowage in the Orbital ATK Cygnus pressurized cargo module.


The Pressurized Mating Adapter-3 (PMA-3) was robotically removed Sunday from the Tranquility module and attached to the Harmony module after being prepared during a successful spacewalk Friday. A second spacewalk is scheduled for Thursday at 8 a.m. EDT to finalize the PMA-3 cable connections on Harmony.


Today: US Extravehicular Activity (EVA) #40: EV1 Kimbrough and EV2 Pesquet completed the following tasks during today's 6 hour 34 minute External (EXT) Enhanced Processor and Integrated Communications (EPIC) Special Purpose Dexterous Manipulator (SPDM) Lube EVA. FE-6 Whitson provided Intravehicular (IV) Space Station Remote Manipulator System (SSRMS) support.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


Expedition 50 Commander Shane Kimbrough of NASA and Flight Engineer Thomas Pesquet of ESA (European Space Agency concluded their spacewalk at 1:58 p.m. EDT.


Two astronauts are getting the Quest airlock and their equipment ready for a Friday morning spacewalk. The cosmonauts continued their human research program today exploring the various affects of living in space.


The astronauts took a break from spacewalk preparations today and checked out an expandable module and worked on science freezers. The crew also continued its human research program exploring space nutrition and the effects of microgravity on metabolism and the immune system.c


Three astronauts are preparing for a Friday morning spacewalk to upgrade and maintain the International Space Station's external systems. The three cosmonauts stayed focused today on their set of Russian space experiments and life support work.


Today - Dragon SpaceX (SpX)-10 Unberth: The crew packed critical items and egressed the vehicle in preparation for Dragon departure.


Today - Tracking and Data Relay Satellite (TDRS) 275 Failure: On Wednesday evening, White Sands Facility reported a timeout of the 275 satellite. This resulted in a loss of both S-band and Ku-band communications.


The U.S. commercial SpaceX Dragon cargo craft was released from the International Space Station's Canadarm2 robotic arm in the early hours of March 19, after spending more than three weeks at the orbital outpost.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


Today - Rodent Research (RR) Habitat Stow: Following Tuesday's completion of operations, today the crew stowed the RR habitats. The habitats were cleaned and sealed prior to their next use, planned for RR-5 scheduled for SpX-11.


Today - Mobile Servicing System (MSS) Operations: Overnight, the Robotics Ground Controllers unstowed the Robotic Refueling Mission (RRM) Payload from the Special Purpose Dexterous Manipulator (SPDM) Enhanced Orbit Replaceable Unit (ORU) Temporary Platform (EOTP).


Today - 2A Direct Current to Direct Current Converter Unit (DDCU) Trips: Today, all of the DDCUs on the 2A power bus tripped off simultaneously due to a bus undervoltage. This included DDCU 2A, DDCU LA2A, DDCU N2P2A, and DDCU N32A. The trip of DDCU 2A removed power from the 2A Pump Flow Control Subassembly (PFCS).


Today - Rodent Research-4: Over the weekend and continuing today, the crew performed Rodent Research operations, in coordination with ground specialists, collecting samples and stowing them in Minus Eighty Degree Celsius Laboratory Freezer for ISS (MELFI) for return on SpX-10.


Dr. Oscar Monje, a research scientist, packs a growing substrate called arcillite in the science carrier, or base, of the Advanced Plant Habitat (APH) inside a laboratory at the Space Station Processing Facility at NASA's Kennedy Space Center in Florida.


Today - Advanced Plant Experiments (APEX)-04: The crew configured the Veggie facility for the next APEX-04 Petri Plate sample for a four-day growing cycle. After the four days of growth, the petri plate will be inserted into the Fluids Integrated Rack (FIR) Light Microscopy Module (LMM) facility for detailed imaging.


Today - Fluid Shifts Chibis Measurements, Day 1: The 48S crew member performed the first of two days of operations in the Russian Segment conducting the Return minus 45 day (R-45) Fluid Shifts operations.


On Earth, liquid flows downhill thanks to gravity. Creating an effective liquid fuel tank involves little more than putting a hole at the bottom of a container.


NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.


The crew is harvesting plants today grown on the International Space Station that will be returned to Earth aboard the SpaceX Dragon. Also, a variety of student experiments submitted from schools across the United States were activated inside the orbital laboratory.


NASA is preparing for longer human journeys deeper into space and is exploring how to keep astronauts healthy and productive. The Expedition 50 crew members today studied space nutrition, measured their bodies and checked their eyes to learn how to adapt to living in space. The space residents also unloaded a cargo ship, worked on the Tranquility module and practiced an emergency simulation.


Four CubeSats were deployed this morning as the crew researched fluid shifts toward the head that may affect astronaut vision. Tools were also being collected and organized today ahead of possible maintenance spacewalks.


Three Expedition 50 crew members recently surpassed 100 days in space and will come home in June. Also, SpaceX Dragon external experiments are being unloaded for installation on the International Space Station.


The International Space Station fired its engines Wednesday night slightly raising its orbit to accommodate a crew exchange in April. In the meantime, the six-person Expedition 50 crew continued learning how living in space affects the human body.


The International Space Station will boost its orbit Wednesday night to get ready for a crew swap next month. Three Expedition 50 crew members will complete their mission and a new two-person crew will launch to the station in April.


Astronaut Thomas Pesquet of the European Space Agency cleaned U.S. spacesuit cooling loops and collected water samples for a periodic maintenance check today. Afterward, he began charging spacewalking gear including helmet lights and tool batteries.