
NASA and Orbital ATK [OA] on Tuesday performed their second qualification motor test for the Space Launch System (SLS).The 154 foot-long, 12 foot in diameter booster fired for two minutes, six seconds at a pre-chilled temperature of 40 degrees Fahrenheit, according to an Orbital ATK statement. Orbital ATK General Manager and Vice President of Propulsion Systems Charlie Precourt said Tuesday in a press briefing as long as the motor fires for two minutes, six seconds, the vast majority of work…