; and (B) by adding at the end the following new sentence: An officer of the Space Force whose promotion is vacated under this section holds the grade of colonel. . (5) Acceptance of promotions; oath of office Section 626 is amended by striking section 624 both places it appears and inserting section 624 or 20241 . (6) Special selection review board Section 628a is amended— (A) in subsection (a)(1)(A)— (i) by striking major general, and inserting major general or ; and (ii) by striking , or an equivalent grade in the Space Force ; (B) in subsection (e)(2), by adding at the end the following new sentence: However, in the case of an officer on the Space Force officer list, the provisions of section 618 of this title apply to the report and proceedings of a special selection review board convened under this section in the same manner as they apply to report and proceedings of a promotion board convened under section 20211 of this title. ; and (C) in subsection (f)(1), by adding at the end the following new sentence: However, if the report of a special selection review board convened under this section recommends the sustainment of the recommendation for promotion to the next higher grade of an officer on the Space Force officer list who was referred to it for review under this section, and the President approves the report, the officer shall, as soon as practicable, be appointed to the grade in accordance with subsections (b) and (c) of section 20241 of this title. . (7) Removal from list of officers recommended for promotion Section 629 is amended— (A) in subsection (b), by inserting or 20241(c) after section 624(c) ; and (B) in subsection (c)— (i) by inserting or 20241(a) after section 624(a) both places it appears; and (ii) by inserting or 20241(c) after section 624(c) both places it appears. (8) Retirement for years of service (A) Lieutenant colonels Section 633(a) is amended— (i) by inserting (1) before Except as