10 U.S.C. § 10206
Section 10206 · Members: physical examinations
Current version, with additions and removals from the October 5, 1994 version.
(1) be examined as to his physical fitness every five years, or more often as the Secretary concerned considers necessary; and
(1) have a comprehensive medical readiness health and dental assessment on an annual basis, including routine annual preventive health care screening and periodic comprehensive physical examinations in accordance with regulations prescribed by the Secretary of Defense that reflect morbidity and mortality risks associated with the military service, age, and gender of the member; and
(b) A member of the Individual Ready Reserve or inactive National Guard shall be examined for physical fitness as necessary to determine the member's physical fitness for—
(1) military duty or promotion;
(2) attendance at a school of the armed forces; or
(3) other action related to career progression.