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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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While first appearing to be highly fluid in nature, close inspection reveals threat style offensives to be predicated upon the carefully synchronized and sequenced interplay of rapidly moving units.

FM 5-102 Countermobility

Streams or drainage ditches that appear insignificant on a 1: With rare exceptions, obstacles that are not covered by fire are little more than a nuisance to the enemy’s leading elements. The tree should remain attached to the stump to make the counter,obility more effective and difficult to clear.

Soldiers and construction equipment can be exposed to all types of enemy fire when emplacing constructed obstacles. The manual task of route preparation usually falls to a temporary organization called a movement support detachment, Otriad Obespecheniya Dvizheniya OOD.

Generally, the equipment is much more effective if used in teams rather than alone.

FM – Countermobility

The tank’s weight magnifies the effect of even a slight rise by reducing its speed. Bridge destruction cannot be accomplished haphazardly. H rttti pi H to be ijiued ind reliined by you. Countermobjlity dams, canal walls, or levees can cause flooding to impede enemy movement. Possible fording, ferrying, bridging, and snorkeling sites. The heaving quality of low velocity explosives will aid in clearing the hole of large boulders.


It also provides the basis for siting many of the defender’s reinforcing obstacles. It is the inclination not only of major surface relief features hills and mountainsbut also of minor relief features such as ditches, small gullies, mounds, low escarpments, countermobiity pinnacles, and sinkholes which generally do not appear on topographic maps.

Countermobility on the Battlefield

However, the wider the stream, the greater the hazard involved. The height should vary from post to post. This limit, however, is too great to negotiate in military coutnermobility. In order to achieve similar effects, a massive amount of conventional explosive would have to be used. Thus, with primary interest in each type of target, the commander directs the preparation and destruction of the target and overlapping of responsibility does not occur.

Since transformer stations form the heart of transmission systems, they are usually the most suitable denial targets for disrupting power service with the least effort. Hard, vertical banks will be obstacles to tanks, if bank height exceeds 1.

This tactic is designed to rapidly overwhelm enemy defenses and maintain the tempo of the attack. Taking advantage of the existing obstacles reduces the resources required to quickly obtain an effective obstacle system. Night operations will be a must in order to emplace the number of tank ditches that will probably be necessary. countermlbility

This plan is based upon two principles: All elements of the combined arms team must be involved in the obstacle planning and employment process coutnermobility order to extract the greatest cost from the enemy. However, this is not always possible due to lack of resources or enemy control of the areas about which we need information.


To a large extent, climate controls soil moisture, and thus soil strengths. Other potential ADM targets include massive dams, canals, airfields, railroad switch yards, ports, industrial plants, power facilities, supply depots, and narrow valley defiles.

The ability to recognize and evaluate the obstacle potential of the terrain is critical to planning the battle. He tried again and again with no results. Melting snow, for example, may cause high water downstream even in regions where rainfall is low.

Another means of lane improvement entails mine clearing tanks dragging a variable length of explosive line charge. Adequate information river studies, special maps is commonly available on large streams, but generally not for the small streams. A typical sequence of activities for an OOD would consist of: The wreckage of destroyed towns, cities, or industrial areas offers a source of materials to be used in making expedient obstacles.

Technical repair of pipelines and topographic surveying are not the responsibility of threat engineer units. The trees will fall toward the side where the explosive is placed. Friendly action which destroys or damages bridging and ferrying equipment during this phase will reduce the threat ability to conduct subsequent river crossings until equipment is replaced.