Nothing in this Act, the Wilderness Act [16 U.S.C. 1131 et seq.], or other land management laws generally applicable to the new units of the National Park or Wilderness Preservation Systems (or any additions to existing units), scenic areas, off-highway vehicle recreation areas, or special management areas designated by this Act, shall restrict or preclude low-level overflights of military aircraft over such units, including military overflights that can be seen or heard within such units.

Nothing in this Act, the Wilderness Act [16 U.S.C. 1131 et seq.], or other land management laws generally applicable to the new units of the National Park or Wilderness Preservation Systems (or any additions to existing units), scenic areas, off-highway vehicle recreation areas, or special management areas designated by this Act, shall restrict or preclude the designation of new units of special airspace or the use or establishment of military flight training routes over such new park system or wilderness units.

Nothing in this section shall be construed to modify, expand, or diminish any authority under other Federal law.

Nothing in this Act alters any authority of the Secretary of Defense to conduct military operations at installations and ranges within the California Desert Conservation Area that are authorized under any other provision of law.