In this episode, we continue our deep dive into how to actually fly the Space Shuttle. With over 20,000 flight hours under my belt, I’ll walk you through one of the most essential buttons on the Primary Flight Display: the Ascent/Entry Primary Flight Display (A/E PFD) Button. This unassuming button unlocks a critical display, showing altitude, attitude, velocity, and angle of attack—all the data astronauts rely on for launch and re-entry. And yes, it’s connected to a lineage of avionics tech sti