National Aeronautics and Space Administration (NASA) is a government agency responsible for the civilian space program, as well as aeronautics and aerospace research. NASA PT stands for NASA Physical Therapist, which is a position within the agency that provides physical therapy services to astronauts and other personnel. The job requires knowledge of anatomy, physiology, and kinesiology, as well as experience in physical therapy techniques. The National Physical Therapy Examination is required for this position.