English: NASA astronauts Barry “Butch” Wilmore and Sunita "Suni" Williams arrive aboard T-38 jet aircraft at the Launch and Landing Facility at Kennedy Space Center in Florida on Dec. 17, 2020. The astronauts are at Kennedy to prepare for their flights on Boeing’s CST-100 Starliner. Wilmore and Williams will command the Crew Flight Test and the Starliner-1 mission, respectively. The crew members will fly to the International Space Station as part of the agency’s Commercial Crew Program.