1. Short title This Act may be cited as the Preserving the Gulf Test Range to Ensure Military Readiness Act . 2. Moratorium on energy development in certain areas of Gulf of Mexico (a) Definitions In this section: (1) Military Mission Line The term Military Mission Line has the meaning given the term in section 102 of the Gulf of Mexico Energy Security Act of 2006 ( 43 U.S.C. 1331 note; Public Law 109–432 ). (2) Secretary The term Secretary means the Secretary of the Interior. (b) Moratorium Effective during the period beginning on the date of enactment of this Act and ending on June 30, 2032, the Secretary shall not offer for leasing, preleasing, or any related activity for energy development of any kind— (1) any area east of the Military Mission Line in the Gulf of Mexico