The crew of Expedition 59 was hard at work today setting up a litany of science experiments and conducting maintenance to the International Space Station that will help further NASA’s goal of returning to the Moon. Some unplanned maintenance to replace a failed Main Bus Switching Unit-3 (MBSU), which was completed this morning by robotics …
This morning, Robotics Ground Controllers in Mission Control Houston successfully completed an operation to remove a failed Main Bus Switching Unit-3 and replace it with a spare. The MBSU in question had failed on April 29 and reduced the station’s power supply by about 25%. There were no immediate concerns for the crew or the station. The …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
As we celebrate our 20th anniversary, we take a look back at how the Web, the world, and EO have changed. And we look ahead to a year of flashback stories.
