SAGE III/ISS Payload Powered Off - Now Operational

Oct. 4, 2019, 8 a.m.


10/23/2019: Update - After 27 days spent in survival mode during the ELC4 power loss, remove and replace (R&R) activities, the operations team successfully completed the SAGE III payload activation on 10/21/2019 at 2:15pm ET (18:15 UTC) following the week-long ISS activities to restore power to the ELC4...... Read the full status update


The Stratospheric Aerosol and Gas Experiment III on the International Space Station (SAGE III/ISS) payload is powered off and in a safe configuration with survival heaters on following a loss of power on the ExPRESS Logistics Carrier-4 (ELC4). ISS is assessing options for restoring operational power to the payload, and the SAGE III team is planning for reactivation of the payload after the extended power off is over. Please check back for further updates.