related to national security; revelation of significant
trimming. When the reverse sides of pages are used,
they must be similarly marked with the classification.
military plans or intelligence operations; and the
compromise of significant scientific or technological
All reproductions or copies of classified material,
developments relating to national security.
r e g a r d l e s s o f f o r m , m u s t b e a r c l e a r, l e g i b l e
classification markings in the same manner as the
Confidential
originals. Not all copy equipment reproduces colors
of ink or marginal images; therefore, personnel
C o n fi d e n t i a l i s t h e d e s i g n a t i o n a p p l i e d t o
engaged in marking copies must make sure the
information or material the unauthorized disclosure of
reproduced copies are marked or stamped with the
w h i c h c o u l d r e a s o n a b l y b e ex p e c t e d t o c a u s e
classification on all copies in the same position and
identifiable damage to national security. Examples of
size required for the originals.
identifiable damage include the compromise of
The manner of marking classified equipment,
information that indicates strength of ground, air, and
products, or substance depends on the nature of the
naval forces in the United States and overseas areas;
material. Normally, stamping, etching, or attaching a
disclosure of technical information used for training,
c l a s s i fi c a t i o n p l a t e s h o u l d m a r k t h e a s s i g n e d
maintenance, and inspection of classified munitions of
classification. When it is not possible, the container
war; revelation of performance characteristics, test
must be appropriately marked. When the article or
data, design, and production data of munitions of war.
container cannot be marked, written notification of
the assigned classification must be furnished to the
SECURITY CLEARANCES
consignee of the material.
A security clearance is a determination made that
The lettering of the classification stamp or mark
an individual is eligible for access to classified
must be all capitals and in red color, and, when
information up to a specific level. However, it is not an
practical, must be larger in size than the type size of
authorization for access to that information. It is
the text.
important to separate the two terms, clearance and
CUSTODIAL PRECAUTIONS
access. Clearance is determined after one of several
types of personal investigations is completed. Access
Classified material is not removed from the
is granted when an individual has a need to know
p h y s i c a l c o n fi n e s o f a c o m m a n d w i t h o u t t h e
information up to a specific level.
knowledge and approval of the commanding officer
Clearances are either final or interim. Final
or an authorized representative. When classified
c l e a r a n c e s a r e g r a n t e d w h e n a l l i nve s t i g a t i o n
material is removed, a complete list is prepared,
requirements have been met and are favorable. Interim
signed by the individual removing the material, and
clearances are granted, not to exceed 6 months, when it
appropriately filed until the material is returned.
is established that any delay would be harmful to the
Care During Working Hours
national interest and a personal investigation request
has been submitted.
E a c h p e r s o n i n t h e N av y m u s t t a ke eve r y
precaution to prevent deliberate or casual access to
MARKING CLASSIFIED MATERIAL
classified information by unauthorized persons. The
precautions that must be followed are described in the
When it is determined that information or material
following paragraphs.
should be assigned a classification, such information
must be conspicuously marked as described in the
When classified documents are removed from
following paragraphs.
stowage for working purposes, they must be kept
under constant surveillance or face down or covered
A l l o r i g i n a l c o p i e s o f l e t t e r s , o ffi c e
when not in use.
memorandums, messages, and other documents that
are typed, printed, or written in longhand must be
Drafts, carbon sheets, carbon paper, typewriter
conspicuously marked with the appropriate
ribbons, plates, stencils, stenographic notes,
classification at the top and bottom of each page, The
worksheets, and similar items containing classified
markings must be placed in a position where they will
information are either destroyed by the person
responsible for the preparation after they have served
n o t b e c o m e c ove r e d i n a s s e m b l y, r e m ova l , o r
1-27
