NASA astronauts Barry “Butch” Wilmore and Mike Fincke monitor the launch portion of an integrated mission dress rehearsal of Boeing’s uncrewed Orbital Flight Test-2 (OFT-2) from Boeing’s Houston-based Avionics and Software Integration Lab on Thursday, April 22, 2021. Along with NASA astronaut Nicole Mann, Wilmore and Fincke will fly aboard Boeing’s CST-100 Starliner spacecraft for the company’s Crew Flight Test (CFT) as part of NASA’s Commercial Crew Program.