by the Secretary or the commander of a combatant command for reveiw within 30 days of receiving the written request. (b) Exception (1) In general In extraordinary circumstances necessary to protect operations security, the sensitivity of the execute order, or other appropriate considerations, the Secretary may limit review of an execute order. (2) Summary and other information In extraordinary circumstances described in paragraph (1) with respect to an execute order, the Secretary shall provide the committee concerned, including appropriately designated staff of the committee, a detailed summary of the execute order and other information necessary for the conduct of the oversight duties of the committee within 30 days of receiving the written request under subsection (a). 1034. Prohibition on ownership or trading of stocks in certain companies by Department of Defense officers and employees (a) Prohibition on ownership and trading by certain senior officials (1) Prohibition An official of the Department of Defense described in paragraph (2) may not own or trade a publicly traded stock of a company if, during the preceding calendar year, the company received more than $1,000,000,000 in revenue from the Department of Defense, including through one or more contracts with the Department. (2) Department of Defense officials An official of the Department of Defense described in this paragraph is any current Department of Defense official described by section 847(c) of the National Defense Authorization Act for Fiscal Year 2008 ( 10 U.S.C. 1701 note). (3) Administrative actions In the event that an official of the Department of Defense described in subsection (a) knowingly fails to comply with the requirements of this subsection, the Secretary of Defense may take administrative action against the official, including suspension or termination, in accordance with the procedures otherwise applicable to administrative actions against such officials. (b) Prohibition on ownership and trading by all officers and employees An