Aviation medicine. (Also called flight medicine and aerospace medicine.) It’s a sub-specialty within occupational and preventive medicine.
[Aviation Medicine](Aviation medicine - Wikipedia)
[EMRA’s Guidebook for Aerospace Medicine](Aerospace Medicine EMRA)
[Careers in Aerospace Medicine](AsMA | Aerospace Medical Association)
[Space Medicine: A New Frontier for Aspiring Physicians](https://www.aamc.org/newsroom/newsreleases/469122/space_medicine_09072016.html)
[NASA Flight Surgeons](Flight Surgeons | NASA)
There are 5 aviation/aerospace medicine residency/fellowship programs: 3 civilian and 2 military
Civilian fellowships at
[Mayo Clinic]( Aerospace Medicine Fellowship (Minnesota) - Residencies and Fellowships - Mayo Clinic College of Medicine & Science)
[Wright State University](Aerospace Medicine Certificate Program | Division of Aerospace Medicine | Boonshoft School of Medicine | Wright State University)
[Univeristy of Texas–Medical Branch in Galveston](https://www.utmb.edu/internalmedicine/residency-program/resident-life/aerospace-medicine)
Military fellowships at
[USAF School of Aerospace Medicine (USAFSAM) at Wright Patterson AFB](https://www.wpafb.af.mil/afrl/711hpw/USAFSAM/)
[Aerospace Medicine Residency at Pensacola Naval Base](https://www.med.navy.mil/sites/nmotc/nami/Pages/Department33AerospaceMedicineResidency.aspx/)
Notable aviation/areospace physicians–
[Kjell N. Lindgren](Kjell N. Lindgren - Wikipedia)-- astronaut
[Randy Lovelace](William Randolph Lovelace II - Wikipedia) --former medical director or NASA