Manufacturing difficulties plagued major elements of the James Webb Space Telescope this year, forcing prime contractor Northrop Grumman Aerospace Systems to rebuild key structural elements declared unfit for flight while continuing to grapple with a persistently problematic cryogenic compressor needed to keep JWST’s infrared sensors cold.
Dan Leone is the NASA reporter for SpaceNews, where he also covers other civilian-run U.S. government space programs and a growing number of entrepreneurial space companies. He joined SpaceNews in 2011.Dan earned a bachelor's degree in public communications... More by Dan Leone
