A flight surgeon works for the United States military to offer medical support and treatment for pilots, astronauts, or other crew members on airplanes and spacecraft. Your responsibilities as an aerospace flight surgeon are to understand, identify, and react to common aviation stressors, diagnose conditions, and decide the proper treatment plan. You also provide emergency care when necessary, give first aid training to other crew members, and prepare astronauts for space flights. When not in flight, flight surgeons have on-ground duties like hosting training meetings for other medical personnel, participating in medical and military training meetings and courses, and conducting medical research.