The PISA Instrument (IMAGE) NASA/Goddard Space Flight Center Caption This is the PISA Instrument at NASA's Goddard Space Flight Center, Greenbelt, Md. It will be one of the instruments to fly on the Fastsat satellite. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.