ISLAMABAD- As part of the Artemis program, NASA is preparing to test the integrated systems that will take crew on missions to the Moon, including a powerful new rocket that will launch crew and cargo to lunar orbit. There are many critical moments in a rocket’s journey from the ground to orbit, but perhaps none more so than the moment of ignition from the launch pad. When the Space Launch System, or SLS, rocket engines begin to roar – emitting fire, smoke, and shockwaves – it is critical the entire launch complex is designed to withstand the pressure.