United States, April 2 -- NASA's Space Launch System rocket, powered by the Boeing -built core stage, lifted off at 6:35 p.m. ET. Eight and a half minutes into flight, the core stage successfully completed its mission and separated from the upper stage of the rocket, enabling NASA's Orion spacecraft, Integrity, to carry humankind around the moon.NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, as well as Canadian Space Agency astronaut Jeremy Hansen, will fly Integrity on a 10-day lunar journey.The core stage demonstrated several important operations, including the pre-launch fueling of both tanks, actuating the hydraulic system, igniting the engines, running thrust vector control programs in flight, depleting the fuel tanks,...