With key worksites closed and activity suspended to protect their workforce from the 2019 novel coronavirus disease (COVID-19), NASA’s Space Launch System (SLS) Program is working on what it can from ...

You test your engines while you develop them, but once they are production ready, you don't need to test them that much. But keeping the lights on means doing maintenance of the stands, tanks, etc.

NASA/MSFC has a requirement for an Interim Cryogenic Propulsion Stage (ICPS) for the early Space Launch System (SLS) missions. The early flights of the SLS architecture will require the use of an ICPS ...