; or (2) specifically required by Executive order to be kept secret in the interest of national defense or the conduct of foreign affairs, unless disclosure is otherwise authorized by law. (d) Definition of officer or employee of the Federal Government For purposes of this section, the term officer or employee of the Federal Government includes— (1) the President; (2) a Member of Congress; (3) a member of the uniformed services; (4) an employee (as that term is defined in section 2105); (5) an employee of the United States Postal Service or the Postal Regulatory Commission