Grab your marshmallows and check out the impressive flames coming out of this J-2X engine.
On Tuesday, NASA released new high-definition video of a June 26 nighttime J-2X engine test at Stennis Space Center in southern Mississippi. During the five and a half minute firing, the J-2X gimbaled, pivoting in multiple directions like it would during a real flight.
Click here for an additional video and photo of the J-2X engine testing.