instructing, or training such reserve component. 414. Maximum number of reserve personnel authorized to be on active duty for operational support During fiscal year 2020, the maximum number of members of the reserve components of the Armed Forces who may be serving at any time on full-time operational support duty under section 115(b) of title 10, United States Code, is the following: (1) The Army National Guard of the United States, 17,000. (2) The Army Reserve, 13,000. (3) The Navy Reserve, 6,200. (4) The Marine Corps Reserve, 3,000. (5) The Air National Guard of the United States, 16,000. (6) The Air Force Reserve, 14,000. 415. Authorized strengths for Marine Corps Reserves on active duty (a) Officers Section 12011(a)(1) of title 10, United States Code, is amended by striking that part of the table pertaining to the Marine Corps Reserve and inserting the following: “Marine Corps Reserve: 2,400 143 105 34 2,500 149 109 35 2,600 155 113 36 2,700 161 118 37 2,800 167 122 39 2,900 173 126 41 3,000 179 130 42”. (b) Senior enlisted members Section 12012(a) of title 10, United States Code, is amended by striking that part of the table pertaining to the Marine Corps Reserve and inserting the following: “Marine Corps Reserve: 2,400 106 24 2,500 112 25 2,600 116 26 2,700 121 27 2,800 125 28 2,900 130 29 3,000 134 30”. (c) Effective date The amendments made by this section shall take effect on October 1, 2019, and shall apply with respect to fiscal years beginning on or after that date. C Authorization of Appropriations 421. Military personnel (a) Authorization of appropriations Funds are hereby authorized to be appropriated for fiscal year 2020 for the use of the Armed Forces and other activities and agencies of the Department of Defense for expenses, not otherwise provided for, for military personnel, as specified in the funding table in section 4401. (b) Construction of authorization The authorization of appropriations in subsection (a) supersedes any other authorization of appropriations (definite or indefinite) for