NASA is moving its moon rocket back out to the launch pad following hangar repairs. The 322-foot rocket made the slow four-mile trek Friday at Florida’s Kennedy Space Center. If all goes well, the Space Launch System rocket will blast off in early April with four astronauts, the first to fly to the moon in more than half a century. They’ll zip around the moon in their capsule and then come straight home without stopping. Their Artemis II mission should have been completed by now, but hydrogen fuel leaks and clogged helium lines forced two months of delay.