.NASA's T-38 planes fly in development over the Space Introduce System spacecraft on Launch area 39B at NASA's Kennedy Room Center.Aircraft designations and guests:901: Chris Condon/ Astronaut Zena Cardman.902: Astronaut Prospect Nicole Ayers/ Rocketeer Christina Koch.903: Canadian Space Company Rocketeer Jeremy Hansen/ Astronaut Drew Morgan.904: Main Astronaut Reid Wiseman/ Rocketeer Joe Acaba.905 (Image Chase): Astronaut Applicant Port Hathaway/ Josh Valcarcel.Photo Credit Score: NASA/Josh Valcarcel.