; or (B) the placement of a minor child with the member for adoption or long-term foster care. (2) (A) The Secretary concerned, under uniform regulations to be prescribed by the Secretary of Defense, may authorize leave described under subparagraph (A) to be taken after the one-year period described in subparagraph (A) in the case of a member described in subsection (b) who, except for this subparagraph, would lose unused parental leave at the end of the one-year period described in subparagraph (A) as a result of— (i) operational requirements; (ii) professional military education obligations; or (iii) other circumstances that the Secretary determines reasonable and appropriate. (B) The regulations prescribed under clause (i) shall require that any leave authorized to be taken after the one-year period described in subparagraph (A) shall be taken within a reasonable period of time, as determined by the Secretary of Defense, after cessation of the circumstances warranting the extended deadline.; (b) A member described in this subsection is a member of the Army, Navy, Marine Corps, Air Force, or Space Force who is a member of— (1) the selected reserve who is entitled to compensation under section 206 of title 37