"[The flight director] looked at me and shook his head, and I knew they were gone." Gerald Griffin talked to American History TV about what it was like in Mission Control on the day Challenger was lost. This Saturday at 4:30 PM ET on C-SPAN 2, former NASA flight director Gerald Griffin discusses his career in the American space program. He talks about directing Apollo missions along with overseeing the Johnson Space Center in Houston, Texas. | American History TV

Since the beginning of spaceflight, only 97 people have sat at the helm of the Mission Control Center as a flight director. Get to know our newest flight directors who will make real-time decisions to keep our astronauts safe in space: https://go.nasa.gov/2N6unSl | NASA - National Aeronautics and Space Administration

Flying fighter aircraft is challenging. That’s why NASA Aeronautics & NASA's Armstrong Flight Research Center are studying how pilots breathe in high-performance aircraft, to better understand conditions that may cause pilots to experience a physiological episode during flight. ✈️ : https://go.nasa.gov/2RLYgeO | NASA - National Aeronautics and Space Administration

This Week at NASA: Acting Administrator Robert Lightfoot spoke about our tech advancements helping transform the aviation industry. Also, the anniversary of the return of the #YearInSpace crew, African American Aviation Pioneers and more! Watch: http://go.nasa.gov/2m4lZGE | NASA - National Aeronautics and Space Administration