Air National Guard of the United States, 21,893. (4) For the Air Force Reserve, 10,160. 414. Maximum number of reserve personnel authorized to be on active duty for operational support During fiscal year 2018, 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. C Authorization of Appropriations 421. Military personnel There is hereby authorized to be appropriated for military personnel for fiscal year 2018 a total of $133,881,636,000. VI COMPENSATION AND OTHER PERSONNEL BENEFITS A Pay and Allowances 601. Fiscal year 2018 increase in military basic pay (a) Waiver of Section 1009 Adjustment The adjustment to become effective during fiscal year 2018 required by section 1009 of title 37, United States Code, in the rates of monthly basic pay authorized members of the uniformed services shall not be made. (b) Increase in Basic Pay Effective on January 1, 2018, the rates of monthly basic pay for members of the uniformed services are increased by 2.1 percent. B Bonuses and Special Incentive Pays 611. Extension of certain expiring bonus and special pay authorities (a) Authorities Relating to Reserve Forces Section 910(g) of title 37, United States Code, relating to income replacement payments for reserve component members experiencing extended and frequent mobilization for active duty service, is amended by striking December 31, 2017 and inserting December 31, 2018 . (b) Title 10 Authorities Relating to Health Care Professionals The following sections of title 10, United States Code, are amended by striking December 31, 2017 and inserting December 31, 2018 : (1) Section 2130a(a)(1), relating to nurse officer candidate