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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.

  • SAGE III/ISS Successful Vibration Testing

    The SAGE III/ISS team completed vibration testing of the Instrument Payload on Wednesday, May 20. Testing started May 14 to ensure the payload will survive the rough trip to the space station. The team conducted post-test inspections and moved the payload back into the clean room and is conducting post-vibration functional testing and alignment checks.

  • SAGE III/ISS Passes Critical Reviews

    SAGE III/ISS held a successful System Integration Review (SIR) on Thursday, May 7, 2015. The review was well-received by the Standing Review Board. The SRB Chair congratulated the team on working hard to meet the Project’s schedule and being well-prepared for the review. That review paved the way for the Pre-Environmental Review (PER), which was […]

  • Hexapod is installed on Instrument Payload

    The Hexapod Pointing System, which will help keep the SAGE instrument pointing in the right direction, was installed with the instrument. The team is working hard to get SAGE ready for environmental testing and then launch.