; (2) in subsection (b), by inserting satisfactorily, as determined under section 2501 of this title before the period; and (3) in subsection (c), by inserting if performance of duties in such grade is determined to have been satisfactory pursuant to section 2501 of this title before the period. (c) Grade on retirement Section 2501 of title 14, United States Code, is amended— (1) in subsection (a)— (A) by striking Any commissioned officer, other than a commissioned warrant officer, and inserting Commissioned Officers.— (1) In general A commissioned officer ; (B) by striking him and inserting the commissioned officer ; (C) by striking his and inserting the commissioned officer’s ; and (D) by adding at the end the following: (2) Conditional determination When a commissioned officer is under investigation for alleged misconduct at the time of retirement— (A) the Secretary may conditionally determine the highest grade of satisfactory service of the commissioned officer pending completion of the investigation; and (B) the grade under subparagraph (A) is subject to resolution under subsection (c)(2). ; (2) in subsection (b)— (A) by inserting Warrant officers .— after (b) ; (B) by striking him and inserting the warrant officer ; and (C) by striking his and inserting the warrant officer's