SpaceX will launch Northrop Grumman's biggest-ever cargo spacecraft, NG-23, on its first mission to the International Space Station. The NG-23 resupply mission is scheduled for liftoff at 6:11 p.m. ET. This is the core fact — clear and immediate.The spacecraft embarks on an inaugural run to deliver supplies to the orbiting lab. Short preparations precede the countdown. Some analysts say the missio...More