32 CFR 728.25 - Army and Air Force National Guard personnel.
(a) Medical and dental care. Upon presentation of a letter of authorization, render care as set forth in AR 40-3 (Medical, Dental, and Veterinary Care) and AFR 168-6 (Persons Authorized Medical Care) to members of the Army and Air Force National Guard who contract a disease or become ill in line of duty while on full-time National Guard duty, (including leave and liberty therefrom) or while traveling to or from that duty. The authorizing letter will include name, social security number, grade, and organization of the member; type and period of duty in which engaged (or in which engaged when the injury or illness occurred); diagnosis (if known); and will indicate that the injury suffered or disease contracted was in line of duty and that the individual is entitled to medical or dental care. Limit care to that appropriate for the injury. disease, or illness until the resulting disability cannot be materially improved by further hospitalization or treatment.
(b) Physical examinations. AR 40-3 and AFR 168-6 also authorize physical examinations for National Guard personnel. Accordingly, when requested by an Army or Air Force National Guard unit's commanding officer, naval MTFs may perform the requested physical examination per the appropriate service directive, subject to the availability of space, facilities, and the capabilities of the staff.