ISS Daily Summary Report – 6/15/2023

USOS Extravehicular Activity (EVA) #88 ISS Roll-Out Solar Array (IROSA) 1B Install: Today, Woody Hoburg and Steve Bowen conducted USOS EVA #88 to install and deploy the IROSA 1B. Operators Frank Rubio and Sultan Al Neyadi provided SSRMS M1/M2 support during the EVA. The IROSA will augment power generation for the 1B power channel on the station’s starboard truss structure. Hatch opening occurred at 7:42 AM CDT. The final Phase Elapsed Time (PET) from today’s EVA was 5 hours and 35 minutes, and the crew completed the following objectives:

  • Release IROSA from FSE
  • Install IROSA on S6 Mast Canister
  • Connect cables
  • Deploy 1B IROSA
  • Perform FSE Beam Clean Up

The crew completed the following get-ahead tasks:

  • Perform Cannon Connector Tool Retrieve

Completed Task List Activities:

  • None

Today’s Ground Activities:
All activities are complete unless otherwise noted.

  • EVA Operations
  • PPS BGA Latch
  • MSS Powerup/Powerdown
  • ACS MCS Configuration for Reboost

Look Ahead Plan

Friday, June 16 (GMT 167)

  • CGBA-4 Remove
  • Mochii Vent Clean
  • PK-4 HD Transfer and Prep for D/L
  • Zero-G Oven Remove
  • Z T2 IMTP Ops


  • HMS PHS Post EVA Examination
  • EMU Water Recharge
  • Transfer Cargo Dragon Cargo Operations
  • EVA Debrief
  • Atmosphere Revitalization System Four Bed Carbon Dioxide Scrubber Samples
  • EVA Glove Photos
  • HMS Ultrasound 2 Scan
  • Brine Transfer from EDV to BPA with UTS
  • CB/ISS Crew Conference

Saturday, June 17 (GMT 168)
Payloads & Systems:

  • Crew Off-Duty

Sunday, June 18 (GMT 169)
Payloads & Systems:

  • Crew Off-Duty

Today’s Planned Activities:
All activities are complete unless otherwise noted.

  • Comm Config/Deconfig for USOS EVA
  • EVA ISLE Preparation
  • EMU Purge
  • EMU ISLE Prebreathe
  • Crewlock Depress/Repress
  • Crewlock Egress/Ingress
  • IROSA Release from FSE
  • FSE Worksite Prep and SSRMS Ingress
  • IROSA Install/Deploy
  • CMS ARED Cylinder Flywheel Evacuation
  • Worksite Cleanup
  • EVA Glove Photo Setup/Downlink
  • EVA Post-EVA Activities
  • Photo/TV EVA Camera Disassembly
  • Re-direct U-turn duct to Node 1