Managers on alert for “launch fever” as pressure builds for NASA’s Moon mission

KENNEDY SPACE CENTER, Florida—The rocket NASA is preparing to send four astronauts on a trip around the Moon will emerge from its assembly building on Florida's Space Coast early Saturday for a slow crawl to its seaside launch pad.

Riding atop one of NASA's diesel-powered crawler transporters, the Space Launch System rocket and its mobile launch platform will exit the Vehicle Assembly Building at Kennedy Space Center around 7:00 am EST (11:00 UTC). The massive tracked transporter, certified...