ORLANDO, Fla. — NASA discovered a bevy headaches in its first three tries to run through a dress rehearsal countdown of the Artemis I moon rocket at Kennedy Space Center earlier this year. Now it’s ready for attempt No. 4. The agency is targeting a call-to-stations on Sunday, June 5, with a start of rollout at midnight, June 6, for the 4.4-mile, 11-hour journey from the Vehicle Assembly Building back to Launch Pad 39-B. The 5.75 million-pound, 322-foot-tall combination of the Space Launch System, Orion capsule and mobile launcher first made the trip on March 18 on the crawler-transporter 2, af…