Extravehicular Activity (EVA) Preparation: Today the crew performed final preparation for EMU EVA #38 (Channel 3A Battery R&R). Hatch open is scheduled tomorrow, Friday January 6th at 12:10 GMT (6:10 CST). Earlier today the crew completed the pre-EVA health status exams, final EVA tool configuration and procedure reviews. Ground specialists and the crewmembers participated in a conference to discuss any final questions. Finally, the crew prepared the Equipment lock for the EVA. Mobile Servicing System (MSS) Operations: Wednesday evening, Robotics Ground Controllers powered up the MSS and operated the Space Station Remote Manipulator System (SSRMS) and the Special Purpose Dexterous Manipulator (SPDM) Body and Arm2 to stow the Robotic Offset Tool (ROST) back on the SPDM Tool Holder Assembly (THA). MSS performance was nominal. European Space Agency (ESA) Education Payloads Operations (EPO) Status Checks: The crew performed a status check and photograph the progress of the three EPO experiments – Crisstal, Cataliss, and Ceres. The crew will took closeup photos of the crystals and catalyst reactions in Crisstal and Cataliss. For Ceres, the crew removed the box from the Veggie facility and photographed the growth of the plants and seed supports. Ceres, is devoted to the study of plant growth; lentil, mustard, and radish seeds were selected having met the required criteria of rapid germination, vertical growth, and resistance to long-term storage. Crisstal, aims to demonstrate the role of gravity in growing crystals, where in microgravity growth is the same in all directions, giving a perfect regular shape of the crystal. The crystal grows in a liquid solution from saturated Rochelle salt. The student designed experiment, Cataliss, aims to prove the influence of gravity on the catalytic reactions. For this purpose, the experiment operates from catalysis of enzymes and gelatin for reaction with a duration of three days. Today’s Planned Activities All activities were completed unless otherwise noted. Initiate EDV fill from PWD Health Maintenance System (HMS) Periodic Health Status (PHS) Pre EVA Examination Setup PP СО check on the Central Post with CSA-CP Cntr. В1(В2) of RODNIK БВ1(2) tank flush in Progress 433 Periodic Health Status (PHS) Pre EVA Examination Formaldehyde Monitoring Kit (FMK) Stow Operation Pre-EVA Periodic Health Status Examination – Stow Regenerative Environmental Control and Life Support System (RGN) WSTA Fill EDV Fill from PWD Term Regenerative Environmental Control and Life Support System (ECLSS) Recycle Tank Fill Part 3 DAN. Experiment Ops DАN. Experiment Ops Assist Extravehicular Activity (EVA) Tool Configuring ESA Weekly crew conference Extravehicular Activity (EVA) Tool Audit. Pille data downlink, pre USOS EVA Pille sensors placement Delta file prep Samsung Tablet charge on Soyuz 732 DAN. Experiment Ops DAN. Experiment Ops Assist Space Headaches – Weekly Questionnaire Extravehicular Activity (EVA) Procedure Review Extravehicular Activity (EVA) Procedure Conference IVA Tools Kits Audit Photodocumentation of the Crisstal and Cataliss experiments. Equipment Lock (E-LK) Preparation Photodocumentation of the EPO Pesquet Ceres Samsung Tablet charge finish on Soyuz 732 ESA Monthly Management Conference ПТАБ-1М (А303) temperature check Regenerative Environmental Control and Life Support System (RGN) WSTA Fill БВН heating fan grille cleaning in Soyuz 732 Stow items for disposal on Progress 433 (DC1), IMS update ПТАБ-1М temperature check (pos. А303) Completed Task List Items Node 3 Axial Shield Bundle Build Extravehicular Activity (EVA) Tool Configuration Manufacturing Device Print Removal, Clean and Stow Station Support Computer (SSC) 9 Fan Cleaning SSC 6 Reload Ground Activities All activities were completed unless otherwise noted. Battery Set 1A3 Discharge S-Band string 2 activation Three-Day Look Ahead: Friday, 01/06: EMU EVA #38 (Channel 3A Battery R&R) Saturday, 01/07: Crew Off Duty, post EVA PHS, EMU H2O recharge, EVA Debrief Sunday, 01/08: Crew Off Duty QUICK ISS Status – Environmental Control Group: Component Status Elektron Off Vozdukh Manual [СКВ] 1 – SM Air Conditioner System (“SKV1”) Off [СКВ] 2 – SM Air Conditioner System (“SKV2”) On Carbon Dioxide Removal Assembly (CDRA) Lab Standby Carbon Dioxide Removal Assembly (CDRA) Node 3 Operate Major Constituent Analyzer (MCA) Lab Operate Major Constituent Analyzer (MCA) Node 3 Idle Oxygen Generation Assembly (OGA) Standby Urine Processing Assembly (UPA) Standby Trace Contaminant Control System (TCCS) Lab Off Trace Contaminant Control System (TCCS) Node 3 Full Up