Boeing CST-100 Crewed Flight Test (CFT): The CFT crew continued assisting the ISS crew with various audits and housekeeping. They also performed CloudNet Testing and STEMonstration Earth Science activities.
Payloads:
Sleep in Orbit: A crewmember transferred the MicroSD memory card into a Columbus Payload Laptop to allow the ground to downlink data. The Sleep in Orbit hardware was restowed. More information on the experiment can be found here.
STEMonstration Earth Science Demonstration – 3D Printing: An educational video was partially recorded explaining the 3D Printing in Space experiment. More information on this experiment can be found here.
Systems:
CloudNet Testing: Today, the crew performed troubleshooting on CloudNet, one of the onboard virtual local area networks (VLAN). Previously, there have been ongoing issues regarding CloudNet connections since December 2023. After today’s troubleshooting, the crew were able to successfully connect on multiple apps within CloudNet devices. CloudNet provides access to the internet from approved devices such as tablets and other proprietary electronics.
Node 1 Stowage Management: The crew took inventory of and reorganized stowage in Node 1. Several ISS crew members managed stowage, including disposal of unneeded common trash and relocating items as needed for the betterment of day-to-day operations.
Toolbox Insert Audit, PMM Standoff Audit, and Extravehicular Activity (EVA) Tool Stow: Today, the crew performed a set of audits onboard the ISS. They inspected the condition of the tool inserts in the IVA Tool Box, replacing any missing socket tabs in Drawer 2. They also audited the PMM standoffs and backfilled any open space with spare Iodine Compatible Water Containers (CWC-Is) from Node 3. Finally, they stowed tools and hardware gathered from previous EVAs.
Overhead Crew Quarters (CQ) Airflow Measurement: The crew took Airflow Measurements in the Overhead CQ Intake Duct using the Velocicalc device. The crew took five measurements at the intake outlet diffuser, one measurement at the intake airflow sensor, and one measurement above the intake fan. Data was downlinked for ground teams to assess and develop a plan to improve CQ airflow.
Look Ahead Plan
Saturday, July 27 (GMT 209)
Payloads:
- Human Research Facility (HRF) Collections
- ISS Ham Pass
Systems:
- CST Hot Fire Thruster Test #2
- Waste and Hygiene Compartment (WHC) Pre-Treat Tank Remove & Replace
Sunday, July 28 (GMT 210)
Payloads:
- Human Research Facility (HRF) Collections
Systems:
- Crew off-duty
Monday, July 29 (GMT 211)
Payloads:
- B Complex – Optical Coherence Tomography (OCT)
- BioServe Centrifuge Checkout
- Glacier-1 Desiccant Swap
- Human Research Facility (HRF) Setup and Collections
- Immunity Assay Kit Gathering
- Iceberg-1 Desiccant Swap
- Kubik 5/6 Setup
- Telescience Resource Kit (TREK) Setup in Node 2
- Veggie Light Meter Install
Systems:
- Columbus Deck 4 (COL1D4) Rack Rotation
- FGB USOS Audit Followup
- On-board Training (OBT) Cygnus NG-21 Rendezvous Review and Robotics Onboard Trainer (ROBoT) session
- CFT Sublimator Water Bag Fill
- CFT Suit Checkout
- Node 1 and Node 3 Intermodule Ventilation (IMV) Cleaning
Beginning Monday, July 29th, the IMC Daily Summary will be discontinued.
To learn more about the groundbreaking science and engineering happening daily on the International Space Station, please visit the space station blog at https://blogs.nasa.gov/spacestation/, or browse a variety of space station research resources at https://nasa.gov/iss-science.