Jeanette J. Epps has been a trailblazer for NASA, setting an agency record with her crew in October for the most time in space — 235 days in low-Earth orbit — on the SpaceX Crew-8 mission.

To earn her place, Epps had to run a grueling gauntlet that included these four programs. NASA astronaut Jeanette Epps shares her training tips Here's how the aerospace engineer has prepared ...