; and (ii) by inserting , in coordination with the Secretaries of the military departments, after the Defense Health Agency ; and (C) by adding at the end the following: (5) Manpower (A) Administrative control of military personnel Each Secretary of a military department shall exercise administrative control of members of the Armed Forces assigned to military medical treatment facilities, including personnel assignment and issuance of military orders. (B) Oversight of certain personnel by the Director of the Defense Health Agency In situations in which members of the Armed Forces provide health care services at a military medical treatment facility, the Director of the Defense Health Agency shall maintain oversight for the provision of care delivered by those individuals through policies, procedures, and privileging responsibilities of the military medical treatment facility. . (b) Conforming amendments (1) Heading amendment The heading for section 712 of the John S. McCain National Defense Authorization Act for Fiscal Year 2019 ( Public Law 115–232 ) is amended to read as follows: 712. Support by military healthcare system of medical requirements of combatant commands . (2) Clerical amendment The table of contents for such Act is amended by striking the item relating to section 712 and inserting the following new item: Sec. 712. Support by military healthcare system of medical requirements of combatant commands. . 713. Tours of duty of commanders or directors of military treatment facilities (a) In general Not later than January 1, 2021, the Secretary of Defense shall establish a minimum length for the tour of duty of an individual as a commander or director of a military treatment facility. (b) Tours of duty (1) In general Except as provided in paragraph (2), the length of the tour of duty as a commander or director of a military treatment facility of any individual assigned to such position after January 1, 2021, may not be shorter than the longer of— (A) the length established pursuant to subsection (a)