FM 34-40-7 PDF

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Document Information click to expand document information Date uploaded Dec 27, Did you find this document useful? Is this content inappropriate? Report this Document. Flag for Inappropriate Content. Download Now. Related titles. Carousel Previous Carousel Next. A computational technique for high enthalpy shock tube and shock tunnel flow simulation.

A compact shock-assisted free-piston driver for impulse facilities. Jump to Page. Search inside document. Goverment agencies only to protect technical or operational Information from automatic Gasemination under the Intemational Exchange Program of by eter meana. In-Unit Training. This information can be found by using the electronic warfare jamming calculator appendix.

Doctrine, tactics, techniques, and procedures in this field manual are intended for commanders and their staffs, division tactical operation centers, technical control and analysis elements TCAEs , mission management personnel, and other personnel who plan or conduct jamming operations. Communications occur when the receiver understands the idea sent by the transmitter well enough to provide some form of feedback.

This publication approaches those communications that must rely on the electromagnetic spectrum as a medium to convey messages. It focuses on the disruption of the listener's ability to receive. To do this, a this goal. IEW doctrine defensive, or retrograde operations. When applied directs that jamming be integrated into various successfully, jamming can contribute to the phases of combat operations.

Proper jamming can force the net to change frequencies, reestablish communications, increase power output, or switch to a less reliable means of communications.

Electronic warfare support measures information can be passed direcily to our analytical systems where itis correlated with cata collected from multiple sources and used to determine the enemy's locations and intentions. From listening to the enemy's transmissions, we gain significant information about his electronic systems, Some of this information is used to direct our actions to reduce his combat effectiveness by interfering with his electronic systems. Further, it assists us to identify enemy targets and position our equipment to best clistupt or deny the enemy's use of his systems, The techniques employed!

Indiscriminate jamming wastes resources, could impede friendly communications, or could attract artillery fire. This information enables us to conduct protective measures to ensure our continued use of friendly electronic systems. The identifiable electronic signature created by jamming signals readily exposes friendly jammer locations.

The tactical commander should treat ECM assets the same as artillery assets, because ECM mission results on communications can be as devastating as artery on personnel and equipment. ECM assets are deployed to support committed units based on their mission priority the capabilities of available systems, and potential enemy actions. In the planning phase, thoughts should reflect the relative scarcity of ECM assets, their limitations, and their transient effects.

The commander uses this imeligence to decide when and where employ jamming in his concept of the operation. This capability to locate the enemy, to interoept the enemy's messages, and to hamper the enemy's operations at cri periods contribuwes direcly and indirectly 1 che effectiveness of the friendly commander's concept of the operation Enemy nets, which routinely pass information of intelligence value, should be identified and monitored. Other nets, such as those having a high tactical value to the enemy but litle or no inflligence value to friendly forces, could be attacked with jammers or fire support depending on the tactical situation.

The first step concerns information colfection and target acquisition. The second step involves planning the jamming mission. The third step is the execution of the jamming mission. This sequence is also calied the decide, detect, and deliver method. The field commander is confronted with an enemy electronic array that comprises thousands of emitters and hundreds of communication nets. Enemy jammers should be located, reported, and destroyed based on the demands of the tactical operation.

Guidance for jamming, destroying, or exploiting enemy electronic emitters should be reviewed before each tactical operation. Position in a net. Based on this information the commander provides the guidance on whether to jam, destroy, deceive, or intercept for intelligence, As often as possible this decision must be a part of the inital planning and coordination, When the decision is to intercept for intelligence purposes, it must be continually reevaluated to determine whether to continue collecting, to initiate jamming, or to destroy.

The commander provides the guidance to the TCAE or the staff to identify certain nets that have a high tactical value to the enemy, but minimal or no intelligence value to friendly forces. As these nets are identified and located, they are jammed or destroyed in aocordance with the commander's attack guidance Jamming must complement the concept of operation. Jamming provides the commander with time to reactor time to change his estimate to gain the tactical advantage. To maintain this tactical advantage, jamming would best be used against priority targets and with careful timing to achieve the desired tactical results.

The function of jamming is to disrupt or deny the enemy the reception of his electromagnetic signals radiating from his radio transmitters. Jam- ming can be subtle and difficult to detect, or it can be overt and obvious when mission requirements arise which override survivability. Intelligence reports indicate elements ofthe enemy's s Moorzed Rifle Reimsntaeactie in this area. The G3, in coordination with the G2, tasks the collection management and dissemination section to determine the enemy unit's location.

The operation plan requires the division to attack through the regimental area. The 2d Brigade will lead the main attack and the Ist Brigade will conduct a supporting attack Table Six steps of jamming integration.

These three steps are a form of tactical threat analysis, which identifies potential threats posed by enemy maneuver or weapon systems. An artillery unit cannot furnish the G3 directs that priority jamming support be integrated support until it receives the necessary provided tothe 2c Brigade Ths, in effet, data on where and when to fie.

Likewise, focuses the jamming support on a specific unit or jamming cannot support combat operations operation and establishes the guidelines for effectively until it is focused on the threat integrating jamming into the combat operation, confronting our forces. Focus on the tactical objective. Priority order for jamming enemy units.

The further the mission progresses on the battlefield, the more specific the direction becomes. Enemy Reconnaissance In step 2, we circled enemy units in priority order 1 through 4 on the basis of their potential threat to the tactical operation.

The grcatcst threat imposed by the priority one unit is the enemy's reconnaissance elements. This is expected since reconnaissance elements tip-off other forces and weapon systems. Identify and place enemy weapons systems and threat functions i 24 ority order.

Enemy Antitank Cuided Missile Control Nets The next threat under the priority one unit is the enemy's antitank guided missile control nets. The enemy will eventually detect our attacking force and will begin to target our key elements. Key elements include personnel, weapons systems, tanks, and armored personnel carriers. Jamming the communications controlling the antitank guided missiles reduces the effective coordination and movement of their weapons systems Artillery Threat The artillery threat is listed in the third priority.

Therefore, we jam their fire request and fire direction net between the command and observation post COP and the firing battalions, The division commander may also want the artillery Uueat destruyed.

In dat case, the electronic warfare support measures assets can be FM used to locate these targets for our own artillery or close air support. Maneuver Maneuver is listed fourth since this particular enemy unit appears to be in a defensive position Enemy Electronic Warfare Threat The enemy electronic warfare threat, especially jammers, is listed next. We can get to this point of attack without an overdependence on our radios, Since we have just started the attack, all of the unexpected events which complicate preplanned coordination have not begun.

As we continue to attack, our radios become increasingly important. To ensure our continued use of these radios, we must use our DF assets to locate ene janmers. Once Iocte, these jmmers rust be destroyed by friendly artillery ur close air support Figure Fos Figure Enemy jammer destruction.

It is listed to alert the electronic warfare support measures assets concerned with locating enemy radars in the combat zone. If our attack stalls, we can use close air support to regain the momentum, Close air support can attack enemy radars located by electronic warfare support measures, while our jammers attack their communications. The threats imposed by this enemy unit are also placed in priority order since the enemy unit could target our armor or maneuver against the flank of the 2d Brigade's attack.

Priority three is outside the zone of influence, but as we advance, so will our zone of influence, This enemy unit could maneuver against us, attempt a limited counterattack, or direct artillery against our advance. As previously stated, we have never realy labeled these actions other than as a part of the mental war-gaming af a sequence af actions and counteractions. These three steps identify the Potential threat from enemy maneuver of weapon systems.

Identified potential threats are then prioritized, jammed, or attacked by fire. It is the transition point between tactical and technical jamming considerations, We must now identify those enemy electronics used to control the Weapons systems and threat functions of greatest concern, We can do that by answering two questions. What communications systems are associated with each threat function?

And, what technical and operational characteristics are known about these systems? We already know about the enemy's electronic systems in general We know some systems can use the samme radios, We know jamming can be more effective against some threats than against others.

We also know that jamming alone will not totally defeat the enemy. At this point, we progress with the planning phase just as we would for constructing a schedule of fires, except that we are putting jamming on the target, not artillery fire. The electronic warfare section EWS searches its electronic order of battle files. The search is for enemy communications systems serving each weapon system and threat function. The EWS also determines that the net conttol station will receive the initial reports of our point of attack.

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