 Navy psychological operations policy is specified in OPNAVINST 3434.1, "Psychological Operations".The Navy provides support to Joint PSYOP programs by providing assets (such as broadcast platforms using shortwave and very high frequency (VHF) frequencies) for the production and dissemination of PSYOP materials.With the ability of naval vessels (especially the larger task forces) to produce audio-visual materials the Navy can often produce PSYOP products for use in denied areas.