m. Electronic warfare (EW). These instructions contain routine actions to be taken in an EW environment to
include the reporting of hostile interference, jamming, and deception attempts, and the employment of standard
procedures to minimize the occurrence and effects of electronic countermeasures. These instructions are normally
defined the SOP or SOI, with elaborate instructions relevant to EW, electronic countermeasures (ECM), and
electronic counter-countermeasures (ECCM) set forth in the EW annex. When an EW annex is not published,
instructions must be in the signal annex. When both annexes are published, they should be cross-referenced.
Refer to FM 34-30, Electronic Warfare Tactics, for specific details.
n. Frequency management. These instructions include the procedures to be followed to obtain frequencies,
restrictions on the use of frequencies, procedures for reporting interference, and conditions under which radio
silence or listening silence is required. The SOI should adequately cover the subject.
o. Communication security (COMSEC) logistics. COMSEC logistics is the staff responsibility of the signal
officer. Procedures for issuance, control, and turn-in of COMSEC material are found in A 380-41.
p. Audiovisual support. These instructions prescribe audiovisual support to be provided for the various
elements of the command to include still and motion picture photography, photographic laboratory operations,
television, audio and graphics, procedures for requesting support, and locations of audiovisual facilities. Refer to
FM 11-40, Tactical Audio Visual Doctrine, for specific details.
q. Tactical Automatic Switching System (TASS). With the innovation of the tactical automatic switching
system, numerous changes in procedures and doctrine are required to provide standardization without loss of
effectiveness. Refer to FM 24-26, Tactical Automatic Switching, for specific details.
r. Systems and circuits identification. These instructions cover the proper identification of circuits and
systems for installation and control purposes. These instructions should also cover the tagging of wire circuits
(wire tagging code). Refer to FM 24-22, Communications-Electronics Management System (C-EMS), for
specific details.
s. Communications systems. The communications system consists of two combined systems (the command
and the area systems). These systems are designed and engineered to provide tactical support for the Army units
in the field. The use of multi-media, multi-axis signal equipment provides sufficient high-capacity, quality-
controlled facilities to meet response, flexibility, mobility, and disposition requirements. These communications
systems combine the corps command and area communication systems, using area signal centers to provide
tactical automatic switching, centralized control, and interconnected circuits/systems throughout the corps area.
The interconnecting or interfacing of two or more node centers (signal centers) will provide for a wider
distribution of traffic loads, primary and secondary
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