Chapter 2. COUNTERMOBILITY FUNDAMENTALS. This chapter provides a standard classification and a detailed discussion of existing and reinforcing. Full text of “FM Countermobility” Countermobility support is divided into mine warfare and obstacle development, each with an ultimate goal of delaying, . FM Headquarters Department of the Army Washington, DC, 14 March C O U N T E R M O B I L I T Y. he foundation for engineer doctrine in .

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FM 5-102 Countermobility

One dozer and one scoop loader, grader, or CEV as a team. In the late s and early s, the tendency for a POZ to create an obstacle by alternating minefield with other antitank obstacles along a 6- to 7-kilometer front is now considered ineffective, as is the practice of laying long strip minefield without covering them by antitank fire. It will have a fundamental influence on an attacker’s choice of approaches, because— The anticipated rates of advance will force the attacker except the lead gm of his main body to move on roads, unless combat or imminent combat forces him to 5-1002 into tactical formations.

Observation and adjustment of fires are essential if the full advantage is to be developed.

The distance between obstacles will depend on the terrain and the obstacle effort available. The primary combat engineer element performing mine warfare support for the offense is a temporary organization called a mobile obstacle detachment, Podvizhnoy Otriad Zagrazhdeniya POZwhich is formed from elements of regimental and divisional combat engineers. In the threat view, the most important features of mines are speed and ease of emplacement on the battlefield.

Additionally, this activity identifies the numerous crossing sites needed to support the crossing of widely dispersed units. Fj, obstacles can be used in conjunction with mobile forces to protect flanks and other lightly defended areas.


Reinforcing obstacles can vary greatly in type, method of emplacement, and logistic and manpower requirements.

Countermobility on the Battlefield

The corps obstacle plan is general in nature and concerned with the mf of obstacles as a part of a specific tactical operation. Normally, tactical targets of interest to a tactical commander in mission accomplishment are included in the obstacle plans of division, corps, and field army, unless restricted by specific orders or policies of higher commanders. The number of reserve obstacles should be held to the absolute minumum due to counteemobility assets required to insure that they are guarded and executed properly.

The commander may employ and control specially trained teams or task forces to destroy all significant strategic targets, and make corps and their subordinate commands responsible for destruction of significant tactical targets. However, applying these principles is peculiar to threat military theory, and threat units are configured and equipped to attain them.

A static type defense can be used to focus upon terrain retention using firepower from fixed positions to deny terrain. The triple line charge will clear a 6-meter- wide path along the entire length of the charge.

Often, a ford may be negotiated with minor difficulty by the first few vehicles, but the ones remaining will be unable to cross because bottom conditions or approaches have deteriorated with use. Additional procedures to increase ditch effectiveness are to Another major design consideration countermobilihy that the reinforcing obstacle does not need to be stronger than the integrated existing obstacle.

Reconnoiters march route, clears obstructions, and selects column route. Their complexity depends upon the time and personnel available. Ultimate success on the battlefield will depend on mobility and countermobility efforts, not only near the forward line of own troops FLOTbut also in rear areas.

Countermlbility value of denying engineer information through aggressive counterreconnaissance cannot be overemphasized.

FM -Countermobility –

Rather, there will be a series of offensive and counteroffensive axes in the form of spurs and salients. Bangalore torpedoes are also used. Depending on soil type, sides of ditches may have to be reinforced to prevent crumbling, and also to make the ditch more difficult to cross.


They can be used in the economy of force role to strengthen a naturally strong existing obstacle area so that it need only be lightly defended, thus freeing forces to 55-102 concentrated elsewhere. Whatever the concept, organizing the defense must be carefully matched to the terrain. Atomic Demolition Munitions ADM are nuclear demolition devices used primarily for obstacle creation or denial operations. Many industrial items can be made unusable with a small amount of a contaminating or adulterating substance.

FM Countermobility – Chptr 7 Denial Operations

Since TOWs have a greater rm effective range than Threat tanks, it is to our distinct advantage to site part of the tactical obstacle system to capitalize on that difference.

Fog and haze, common in some areas, significantly affect weapons employment and can retard or even prevent movement. Streams or drainage ditches that appear insignificant on a 1: Obstacles must support present and future tactical plans, be logistically supportable, and fully coordinated.

Obstacles can significantly enhance the effectiveness of our fires and thus our ability to win the battle. Who prepares and executes 5-1102 obstacle? Boreholes for cratering charges may be dug by 5102 motorized post hole augers or handheld post hole augers or diggers, or blasted using shaped charges. Also, there is the danger of flash floods. Sandy and gravelly materials usually provide adequate strength and durability.