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Stratospheric Aerosol and Gas Experiment (SAGE)

The Stratospheric Aerosol and Gas Experiment, SAGE, is a series of instruments designed by NASA to observe stratospheric ozone, aerosols, and water vapor from space. In the mid-1980s, scientists realized there was a problem with Earth’s protective coat of ozone...it was thinning. The SAGE family of instruments was pivotal in making accurate measurements of the amount of ozone loss in Earth’s atmosphere and helped leaders around the world institute an international treaty banning products containing harmful chemicals that destroy stratospheric ozone. SAGE is a key part of NASA’s mission to provide crucial, long-term measurements that will help humans better understand and care for Earth’s atmosphere.

  • Final Closeout Activities Underway at KSC

    Members of the SAGE III/ISS team traveled to the NASA’s Kennedy Space Center this week to begin Instrument Payload (IP) and Nadir Viewing Platform (NVP) close-out activities in preparation for transport of the payloads to the SpaceX Payload Processing Facility (PPF). On Monday, November 28, the ground support equipment (GSE) was set up and the […]

  • Mission Operations Team Stays Prepped and Ready

    The Mission Operations team, Science team and Science Computing Facility team participated in a week-in-the-life simulation from October 21-28, 2016. The simulation included mission planning, twice daily payload checks, weekly science team and planning meetings, and data processing and transfers. The simulation also involved handling ISS activities, including operations for a Soyuz docking and a […]

  • Key Decision Point-E is cleared and SAGE Survives Hurricane Matthew

    SAGE III/ISS Project Management traveled from NASA Langley Research Center in Hampton, Va. to NASA Headquarters in Washington, D.C. to hold its Key Decision Point-E review. The team was successful and Science Mission Directorate leadership gave the project the greenlight to move forward with launch and commissioning in Phase E. A couple of weeks later, Hurricane […]

  • Successful Mission Readiness Review Paves the Way for KDP-E

    The SAGE III/ISS Project successfully completed its Mission Readiness Review at NASA’s Langley Research Center on Wednesday, September 7, 2016. The LaRC Center Management Council (CMC) approved SAGE III to proceed with preparations for final launch processing and with preparations for Key Decision Point-E. SAGE III has met all of the criteria to proceed: hardware […]

  • Mission Operations Team Stays Sharp with Rehearsals

    Though the Instrument Payload and Nadir Viewing Platform are being safely stored at the Space Station Processing Facility at NASA’s Kennedy Space Center, the Mission Operations and Ground System teams at NASA’s Langley Research Center are keeping busy making sure they are ready for commissioning and operations once SAGE III is installed on the space station […]

  • ORR Success!

    The SAGE III/ISS Project successfully completed its Operational Readiness Review on June 8, 2016 at NASA Langley Research Center. Members of the NASA Marshall Space Flight Center operations team, the NASA Johnson Space Center ISS Program team, and the European Space Agency participated in the review providing status on operations readiness. The review was also […]

  • Final Powered Testing Complete

    SAGE III team members successfully completed full functional testing as planned on May 6, 2016, and the second Payload Rack Checkout Unit (PRCU) End-to-End test on May 13. Flight payload closeouts were completed May 19 and the SAGE III Instrument Payload and SAGE III Nadir Viewing Platform were placed in storage at NASA’s Kennedy Space […]