Release of Communications Security (COMSEC) Material to U.S. Industrial Firms Under Contract to the U.S. Navy [open pdf - 369KB]
The purpose of this release is to "revise policy and expand procedures for authorizing release of COMSEC material to U.S. industrial firms under contract to the U.S. Navy."
OPNAV Instruction 2221.5C
U.S. Department of the Navy Issuances, http://doni.daps.dla.mil