; (D) foreign relations or foreign activities of the United States, including confidential sources; (E) scientific, technological, or economic matters relating to the national security; (F) United States Government programs for safeguarding nuclear materials or facilities; (G) vulnerabilities or capabilities of systems, installations, infrastructures, projects, plans, or protection services relating to the national security; or (H) the development, production, or use of weapons of mass destruction; and (2) the threat posed by the public disclosure of the Missing Armed Forces Personnel record or information is of such gravity that it outweighs the public interest in disclosure. (b) Older records Disclosure to the public of a Missing Armed Forces Personnel record or particular information in a Missing Armed Forces Personnel record created on or before the date that is 25 years before the date of the review of the Missing Armed Forces Personnel record by the Archivist may be postponed subject to the limitations under this Act only if, as demonstrated by clear and convincing evidence— (1) the release of the information would be expected to— (A) reveal the identity of a confidential human source, a human intelligence source, a relationship with an intelligence or security service of a foreign government or international organization, or a nonhuman intelligence source, or impair the effectiveness of an intelligence method currently in use, available for use, or under development; (B) reveal information that would impair United States cryptologic systems or activities; (C) reveal formally named or numbered United States military war plans that remain in effect, or reveal operational or tactical elements of prior plans that are contained in such active plans; or (D) reveal information, including foreign government information, that would cause serious harm to relations between the United States and a foreign government, or to ongoing diplomatic activities of the United States