[Executive Orders]

 EX. ORD. NO. 10104. DEFINITIONS OF VITAL MILITARY AND NAVAL

                        INSTALLATIONS AND EQUIPMENT

                          Feb. 1, 1950

      Now, therefore, by virtue of the authority vested in me by the

    foregoing statutory provisions, and in the interests of national

    defense, I hereby define the following as vital military and naval

    installations or equipment requiring protection against the general

    dissemination of information relative thereto:

      1. All military, naval, or air-force installations and equipment

    which are now classified, designated, or marked under the authority

    or at the direction of the President, the Secretary of Defense, the

    Secretary of the Army, the Secretary of the Navy, or the Secretary

    of the Air Force as ''top secret'', ''secret'', ''confidential'',

    or ''restricted'', and all military, naval, or air-force

    installations and equipment which may hereafter be so classified,

    designated, or marked with the approval or at the direction of the

    President, and located within:

      (a) Any military, naval, or air-force reservation, post, arsenal,

    proving ground, range, mine field, camp, base, airfield, fort,

    yard, station, district, or area.

      (b) Any defensive sea area heretofore established by Executive

    order and not subsequently discontinued by Executive order, and any

    defensive sea area hereafter established under authority of section

    2152 of title 18 of the United States Code.

      (c) Any airspace reservation heretofore or hereafter established

    under authority of section 4 of the Air Commerce Act of 1926 (44

    Stat. 570; 49 U.S.C. 174) except the airspace reservation

    established by Executive Order No. 10092 of December 17, 1949.

      (d) Any naval harbor closed to foreign vessels.

      (e) Any area required for fleet purposes.

      (f) Any commercial establishment engaged in the development or

    manufacture of classified military or naval arms, munitions,

    equipment, designs, ships, aircraft, or vessels for the United

    States Army, Navy, or Air Force.

      2. All military, naval, or air-force aircraft, weapons,

    ammunition, vehicles, ships, vessels, instruments, engines,

    manufacturing machinery, tools, devices, or any other equipment

    whatsoever, in the possession of the Army, Navy, or Air Force or in

    the course of experimentation, development, manufacture, or

    delivery for the Army, Navy, or Air Force which are now classified,

    designated, or marked under the authority or at the direction of

    the President, the Secretary of Defense, the Secretary of the Army,

    the Secretary of the Navy, or the Secretary of the Air Force as

    ''top secret'', ''secret'', ''confidential'', or ''restricted'',

    and all such articles, materials, or equipment which may hereafter

    be so classified, designated, or marked with the approval or at the

    direction of the President.

      3. All official military, naval, or air-force books, pamphlets,

    documents, reports, maps, charts, plans, designs, models, drawings,

    photographs, contracts, or specifications which are now marked

    under the authority or at the direction of the President, the

    Secretary of Defense, the Secretary of the Army, the Secretary of

    the Navy, or the Secretary of the Air Force as ''top secret'',

    ''secret'', ''confidential'', or ''restricted'', and all such

    articles or equipment which may hereafter be so marked with the

    approval or at the direction of the President.

      This order supersedes Executive Order No. 8381 of March 22, 1940,

    entitled ''Defining Certain Vital Military and Naval Installations

    and Equipment.''