It’s true that Northrop Grumman was the prime contractor. You don’t want to keep all the skills to build this, and all the manufacturing steps, in-house. But t

It’s true that Northrop Grumman was the prime contractor. You don’t want to keep all the skills to build this, and all the manufacturing steps, in-house. But the project leadership and key pieces of the design were at GSFC and JPL. Full list: https://webb.nasa.gov/content/meetTheTeam/team.html https://webb.nasa.gov/content/meetTheTeam/team.html