Redaction codes for the Herridge piece.
https://www.archives.gov/declassification/iscap/redaction-codes.html
3.3 (b) (6) 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
3.3 (b) (7) Reveal information that would impair the current ability of United States Government officials to protect the President, Vice President, and other protectees for whom protection services, in the interest of the national security, are authorized