.NASA's T-38 planes soar in buildup over the Space Launch System rocket on Launch area 39B at NASA's Kennedy Area Center.Airplane designations as well as guests:901: Chris Condon/ Astronaut Zena Cardman.902: Astronaut Candidate Nicole Ayers/ Rocketeer Christina Koch.903: Canadian Area Agency Astronaut Jeremy Hansen/ Rocketeer Drew Morgan.904: Chief Astronaut Reid Wiseman/ Astronaut Joe Acaba.905 (Image Pursuit): Rocketeer Candidate Port Hathaway/ Josh Valcarcel.Photo Credit Score: NASA/Josh Valcarcel.