Rodent Research-7 (RR-7): Today the crew completed the second of two days of rodent operations for the RR-7 investigation today. Crewmembers performed bone densitometer scans, blood draws, fecal pellet collections, and sampling operations. Following these operations, the crew performed clean-up activities in the Microgravity Science Glovebox (MSG) to prepare the facility for upcoming science. RR-7 examines how the space environment affects the community of microorganisms in the gastrointestinal tract of mice (also known as the microbiota). It also looks at microgravity’s effect on multiple physiological systems known to be effected by the microbiota, including the gastrointestinal, immune, metabolic, circadian, and sleep systems. These studies should help explain mechanisms underlying interactions between these systems and the role of the microbiota in these interactions.

Exposed Experiment Handrail Attachment Mechanism (ExHAM) #1 Robotics Operations: Last night the robotic specialists in Tsukuba used the Japanese Experiment Module Remote Manipulator System (JEMRMS) with the Small Fine Arm (SFA) to remove the Handhold Experiment Platform (HXP) from the JEM Airlock Slide Table and install it on the JEM Exposed Facility handrail.

Today’s Planned Activities:

All activities are complete unless otherwise noted.



VHF-2 test from Soyuz via US ground sites

Rodent Research Node 2 Camcorder Video Setup

Rodent Research Animal Transfer

Rodent Research Dissection 1A

SREDA-ISS. NIKON D5 Battery Charging

PK-4 Experiment Run 1/1

Pressurization of Elektron-VM Liquid Unit before Activation

DAN. Experiment Session

Rodent Research Bone Densitometer Scan

Rodent Research Dissection 1B

Rodent Research MELFI Insert 1

PK-4 Experiment Run 1/2

Rodent Research MELFI Insert

Rodent Research Bone Densitometer Scan

Rodent Research Dissection 1B

Rodent Research MELFI Insert 1

Rodent Research MELFI Insert

ESA Weekly crew conference [Cancelled]

Rodent Research Bone Densitometer Scan

Rodent Research Dissection 1B

Progress 438 [AO] Cargo Transfers and IMS Ops

Health Maintenance System (HMS) – ESA Nutritional Assessment

Rodent Research Centrifuge Setup

PK-4 Experiment Run 1/3

Rodent Research Centrifuge Configure

Rodent Research MELFI Insert 1

Rodent Research Hand Over

Rodent Research MELFI Insert

HRF Centrifuge Spin Conclude

Rodent Research MELFI Insert 3

Rodent Research Dissection 2A

Rodent Research Bone Densitometer Scan

Rodent Research Dissection 2B

Preparation of protective Bubble Wrap Bags for PK-4 Hard Drives return stowage on Soyuz

PK-4 Experiment Run 1/4

Aerosol Samplers Cartridge Removal

ISS O2 Repress from Progress 438 [AO] СРПК Section 1, start

СОЖ maintenance

SREDA-ISS. NIKON D5 Prep and Installation on SM window No.7

Rodent Research MELFI Insert 1

Rodent Research MELFI Insert

ISS O2 Repress from Progress 438 [AO] СрПК Section 1, terminate

PCG8 MELFI Retrieval

Rodent Research Bone Densitometer Scan

IMS Update

Rodent Research Animal Transfer

PK-4 Chamber Gas Exchange

Rodent Research MELFI Insert

Rodent Research Bone Densitometer Stow

Rodent Research Dissection 2B

Rodent Research MELFI Insert 1

Rodent Research MELFI Insert

Rodent Research Centrifuge Configure

HRF Centrifuge Spin Conclude Final

Rodent Research MELFI Insert 3

Completed Task List Activities:

EVA Tool Stow

JEM ISPR MTL Isolation

AC Vacuum Hazard Level One Configuration

Ground Activities:

All activities are complete unless otherwise noted.



STP-H5 Troubleshooting

JRMS SFA Install

Three-Day Look Ahead:

Thursday, 07/26: AC Inverter Deploy, BCAT, Micro-11, PK-4 Ops, MSG Cleanup, MICS, CPA4 Cable C/O, EarthKAM, BEST, Potable Water Flush, Reboost

AC Inverter Deploy, BCAT, Micro-11, PK-4 Ops, MSG Cleanup, MICS, CPA4 Cable C/O, EarthKAM, BEST, Potable Water Flush, Reboost Friday, 07/27: Micro-11, MICS, Dragon Cargo Ops, EHDC Camera Stow, Eye Exams, RR-7 Access Unit cleanup, MSFO stow, ESA EPO GV-Earth, LMM Biophysics Plate Removal, Pretreat Tank R&R, JEMAL Leak Check, AngieX Operations, Aerosol Samplers Deploy, PK-4 Ops

Micro-11, MICS, Dragon Cargo Ops, EHDC Camera Stow, Eye Exams, RR-7 Access Unit cleanup, MSFO stow, ESA EPO GV-Earth, LMM Biophysics Plate Removal, Pretreat Tank R&R, JEMAL Leak Check, AngieX Operations, Aerosol Samplers Deploy, PK-4 Ops Saturday, 07/28: Housekeeping, Micro 11 Operations, Off Duty

QUICK ISS Status – Environmental Control Group: