Sabatier Removal for Return: In preparation for returning Sabatier, today the crew completed the first of two days of activities by removing the Sabatier unit from the Oxygen Generation System (OGS) Rack. They also completed some near term preventive maintenance activities by performing an H2 Sensor Removal and Replacement (R&R) and Avionics Air Assembly (AAA) … Continue reading “ISS Daily Summary Report – 11/28/2017”