Core Stage Liquid Oxygen and Liquid Hydrogen Fast Fill Underway By Overlook Horizon|2022-11-15T17:10:00-05:00November 15th, 2022|Categories: NASA News|Tags: Artemis, nasa, outer space, space, spaceflight| Fast fill operations are underway for the Space Launch System rocket’s core stage liquid oxygen and liquid hydrogen tanks. Please share this article:FacebookTwitterRedditLinkedInPrint