The United States government is now appointing a corps of surgeons and physical directors large enough to keep each training field and camp for flyers, both here and in France, with a proper organization. This medical branch of the air service does not alone select the flyer, but cares for him after he 1ms been admitted to the service. Subject to the approval of the commanding officer, the flight surgeon recommends for the flyers such measures as periods of rest, recreation and temporary relief

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... from duty as may seem advisable, attends sick calls of aviators, visits hospital cases and consults with the attending surgeon regarding them. The physical direc¬ tors act as assistants to the flight surgeons and supervise such recreation and physical training of the flying men as is con¬ sidered necessary.