The team that tested the umbilical lines and accessories that will connect from the mobile launcher to NASA's Space Launch System rocket and Orion spacecraft for Exploration Mission-1 hold a banner signing event July 24, 2018, to mark completion of testing at the Launch Equipment Test Facility (LETF) at NASA's Kennedy Space Center in Florida. Attending the event is Shawn Quinn, center, director of Engineering. A total of 21 umbilicals and launch accessories were tested on various simulators at the LETF before they were transferred to the mobile launcher for installation.