; (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; and (2) the threat posed by the public disclosure of the missing Armed Forces and civilian personnel record or information is of such gravity that it outweighs the public interest in disclosure. (c) Exception Regardless of the date on which a missing Armed Forces and civilian personnel record was created, disclosure to the public of information in the missing Armed Forces and civilian personnel record may be postponed if— (1) the public disclosure of the information would reveal the name or identity of a living person who provided confidential information to the United States and would pose a substantial risk of harm to that person; (2) the public disclosure of the information could reasonably be expected to constitute an unwarranted invasion of personal privacy, and that invasion of privacy is so substantial that it outweighs the public interest; (3) the public disclosure of the information could reasonably be expected to cause harm to the methods currently in use or available for use by members of the Armed Forces to survive, evade, resist, or escape