Early after the War, the Medical College was designated as a Cardiovascular Research Unit of the Royal Canadian Air Force, with Dr. Mathewson serving as the Commanding Officer. A medical technologist was assigned to this Cardiovascular Research Unit. He was involved in testing pilots including complete physical examinations and electrocardiograms. As well there was a high altitude low pressure chamber where pilots could be tested for their tolerance of altitude and hypoxia.

This facility also provided training for medical technicians from all three armed forces in a variety of skills including medical examination, blood pressure measurement, performance of an electrocardiogram, and taking routine x-rays. The medical technologist was responsible for assembling, filing and tracking medical information pertaining to the subjects of the Manitoba Follow-up Study as well.