NASA's ICESat-2 Preps for Laser Tests (IMAGE) NASA/Goddard Space Flight Center Caption The Advanced Topographic Laser Altimeter System instrument, which will fly on the ICESat-2 satellite, sits in a clean room at NASA's Goddard Space Flight Center in Greenbelt, Md. Testing on the flight lasers will continue this fall. Credit Credits: NASA/Jeffrey Twum 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.