The rehearsal ran the full timeline: suit-up at the crew quarters, the nine-mile drive to the pad, elevator ride up the mobile launcher, and ingress into Orion.
Why the dry run matters
Every second of the countdown is choreographed between the crew, the launch control team and the vehicle. The rehearsal is the only chance to find friction before propellant is loaded.
Teams reported a clean run with minor timeline adjustments to the hatch closure sequence.
