ALT From left to right, Roscosmos cosmonaut Sergey Teteryatnikov, NASA astronaut Luke Delaney, NASA astronaut Jessica Watkins, and Canadian Space Agency astronaut Joshua Kutryk hold up the number "13" with their fingers. They are dressed in blue flight suits. Photo: NASA/Luna Posadas Nava

ALT Two of NASA's T-38 aircraft are pictured in flight following departure from Ellington Field. One bears a paint scheme reflecting the Artemis program. Photo: NASA/Luna Posadas Nava

ALT Canadian Space Agency astronaut Joshua Kutryk stands beside NASA's T-38 aircraft. NASA astronaut Jessica Watkins sits in the backseat. Both wear blue flight suits. Photo: NASA/Luna Posadas Nava

ALT From left to right, NASA astronaut Jessica Watkins, Roscosmos cosmonaut Sergey Teteryatnikov, NASA astronaut Luke Delaney, and Canadian Space Agency astronaut Joshua Kutryk walk carrying green bags and wearing blue flight suits ahead of departing aboard T-38 aircraft for NASA's Kennedy Space Center. Photo: NASA/Luna Posadas Nava