NASA continues key test series with rocket engine hot fire
NASA completed a full duration hot fire of the RS-25 certification engine May 23, continuing a critical test series to support future SLS (Space Launch System) missions to deep space as NASA explores the secrets of the universe for the benefit of all. The test on the Fred Haise Test Stand at NASA's Stennis Space Center near Bay St. Louis, Mississippi, marked the eighth in a 12-test certifi