; and ; and (D) in subparagraph (B), by striking Date and inserting date . VI COMPENSATION AND OTHER PERSONNEL BENEFITS A Pay and Allowances 601. Pay of members of reserve components for inactive-duty training to obtain or maintain an aeronautical rating or designation (a) In general Chapter 3 of title 37, United States Code, is amended by inserting after section 206 the following new section: 206a. Pay of members of reserve components for inactive-duty training to obtain or maintain an aeronautical rating or designation Under regulations prescribed by the Secretary concerned, a member of the National Guard or a member of a reserve component of a uniformed service who is receiving aviation incentive pay under section 334(a) of this title and is entitled to compensation under section 206 of this title is entitled to such compensation for a number of periods of inactive-duty training each month sufficient for the member to obtain or maintain an aeronautical rating or designation. . (b) Clerical amendment The table of sections at the beginning of chapter 3 of such title is amended by inserting after the item relating to section 206 the following new item: 206a. Pay of members of reserve components for inactive-duty training to obtain or maintain an aeronautical rating or designation. . 602. Modification of calculation method for basic allowance for housing to more accurately assess housing costs of junior members of uniformed services Section 403(b)(5) of title 37, United States Code, is amended, in the second sentence, by striking and shall be based on the following: and all that follows through determined in subparagraph (A) . 603. Basic allowance for housing for members assigned to vessels undergoing maintenance Section 403(f)(2) of title 37, United States Code, is amended— (1) in subparagraph (A), by striking subparagraphs (B) and (C) and inserting subparagraphs (B), (C), and (D)