of Korea. (5) An assessment of any intelligence gaps with respect to the information required by this subsection and verification or inspection measures that may fill such gaps. (c) Updates (1) In general In the case of an agreement between the United States and the Democratic People's Republic of Korea, not later than 60 days after the date on which the agreement is reached, and every 90 days thereafter, the report required by subsection (a) shall be augmented by a written update. (2) Elements Each written update under paragraph (1) shall include the following for the preceding 90-day period: (A) A description of the number of nuclear weapons and ballistic missiles verifiably dismantled, destroyed, rendered permanently unusable, or transferred out of the Democratic People's Republic of Korea. (B) An identification of the location of nuclear research, development, production, and testing facilities in the Democratic People's Republic of Korea identified and verifiably dismantled, destroyed, or rendered permanently unusable. (C) An identification of the location of ballistic missile manufacturing and assembly facilities in the Democratic People's Republic of Korea verifiably dismantled, destroyed, or rendered permanently unusable. (D) A description of the number of nuclear weapons and ballistic missiles that remain in or under the control of the Democratic People's Republic of Korea. (E) An assessment of the progress made in extending the breakout period required for the Democratic People's Republic of Korea to reconstitute its nuclear weapons program and build a nuclear weapon, as such progress relates to the information required by subparagraphs (A) through (D). (d) Verification assessment report Not later than 180 days after the date on which the report required by subsection (a) is submitted, and every 180 days thereafter, the written update required under paragraph (1) of subsection (c) shall include, in addition to the information required by subparagraphs (A) through (E) of that subsection, the following