NASA on Twitter: “We are about four minutes into the Green Run hot fire test. Enjoying the view?… “ Post author By Mark Post date March 19, 2021 NASAVerified account. @NASA. There’s space for everybody. ✨. Pale Blue Dot. nasa.gov. Joined December 2007 … read more ← NASA has successfully fired its new moon rocket’s 4 engines, setting it up to launch later this year → Bill Nelson expected to be named President Biden’s nominee for NASA administrator