Nick Hague NICER NBL Training (IMAGE) NASA/Goddard Space Flight Center Caption NASA astronaut Nick Hague holds a patch for NICER (Neutron star Interior Composition Explorer) at the end of a T-handle tool during a training exercise on May 16, 2024, in the NBL (Neutral Buoyancy Laboratory) at NASA’s Johnson Space Center in Houston. Credit NASA/NBL Dive Team Usage Restrictions No restrictions. License Public Domain 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.