In this image provided by NASA, a United Launch Alliance Atlas V rocket with Boeing's CST-100 Starliner spacecraft onboard is rolled out of the Vertical Integration Facility to the launch pad at Space Launch Complex 41, Thursday, July 29, 2021 at Cape Canaveral, Fla. in Florida. Boeing's Orbital Flight Test-2, scheduled for early Friday, July 30, will be Starliner's second uncrewed flight test and will dock to the International Space Station as part of NASA's Commercial Crew Program. (Joel Kowsky/NASA via AP)