[Don H]

Looks like this statute is what I've been looking for.. I'll have to ponder it a bit. Thanks, Slamfire!

50 U.S.C. § 797 : US Code - Section 797: Penalty for violation of security regulations and orders
(a) Misdemeanor violation of defense property security regulations
(1) Misdemeanor
Whoever willfully violates any defense property security
regulation shall be fined under title 18 or imprisoned not more
than one year, or both.
(2) Defense property security regulation described
For purposes of paragraph (1), a defense property security
regulation is a property security regulation that, pursuant to
lawful authority -
(A) shall be or has been promulgated or approved by the
Secretary of Defense (or by a military commander designated by
the Secretary of Defense or by a military officer, or a
civilian officer or employee of the Department of Defense,
holding a senior Department of Defense director position
designated by the Secretary of Defense) for the protection or
security of Department of Defense property; or
(B) shall be or has been promulgated or approved by the
Administrator of the National Aeronautics and Space
Administration for the protection or security of NASA property.
(3) Property security regulation described
For purposes of paragraph (2), a property security regulation,
with respect to any property, is a regulation -
(A) relating to fire hazards, fire protection, lighting,
machinery, guard service, disrepair, disuse, or other
unsatisfactory conditions on such property, or the ingress
thereto or egress or removal of persons therefrom; or
(B) otherwise providing for safeguarding such property
against destruction, loss, or injury by accident or by enemy
action, sabotage, or other subversive actions.
(4) Definitions
In this subsection:
(A) Department of Defense property
The term "Department of Defense property" means covered
property subject to the jurisdiction, administration, or in the
custody of the Department of Defense, any Department or agency
of which that Department consists, or any officer or employee
of that Department or agency.
(B) NASA property
The term "NASA property" means covered property subject to
the jurisdiction, administration, or in the custody of the
National Aeronautics and Space Administration or any officer or
employee thereof.
(C) Covered property
The term "covered property" means aircraft, airports, airport
facilities, vessels, harbors, ports, piers, water-front
facilities, bases, forts, posts, laboratories, stations,
vehicles, equipment, explosives, or other property or places.
(D) Regulation as including order
The term "regulation" includes an order.
(b) Posting
Any regulation or order covered by subsection (a) of this section
shall be posted in conspicuous and appropriate places.