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LESSON THREE
IDENTIFY BATTLEFIELD POSITIONS AND SPECIAL MISSIONS
AND OPERATE IN AN NBC ENVIRONMENT
OVERVIEW
TASK DESCRIPTION:
In this lesson, you will learn to identify positions on the battlefield and special missions and how to operate in an nuclear, biological, and chemical (NBC) environment.
LEARNING OBJECTIVE:
TASKS: | Identify battlefield positions and special missions and operate in an NBC environment. |
CONDITIONS: | You will be given access to information from FM 7-91. |
STANDARDS: | Identifying battlefield positions and special missions and operating in an NBC environment will be in accordance with FM 7-91. |
REFERENCES: | The material contained in this lesson was derived from the following publication: FM 7-91 |
INTRODUCTION
The antiarmor company and battalion have a number of battlefield positions from which to choose in locating TOWs and other antiarmor weapons systems. These are the mounted position, the dismounted position, the hunter-killer position, and the urban terrain position, each with its own requirements and considerations. Efforts must be made to protect antiarmor weapons systems and to increase their survivability by decreasing their vulnerability to enemy direct- and indirect-fire weapons and armor. Special missions for which the TOW may be used are rear operations, the role of the reserve, and security operations. Combat may expose antiarmor personnel, vehicles, and equipment to enemy nuclear, biological, and chemical contamination. It is necessary to be able to identify various contaminants, to protect against these contaminants, and to administer first aid to soldiers affected by these contaminants. This lesson will teach you how to identify battlefield positions and special missions and how to operate in an NBC environment.
PART A - IDENTIFY POSITIONS ON THE BATTLEFIELD AND SPECIAL MISSIONS
1. Types of Antiarmor Positions.
There are four types of antiarmor firing positions:
- Mounted position.
- Dismounted position.
- Hunter-killer position.
- Urban terrain position.
These four positions are discussed in the following subparagraphs.
a. Mounted Position. The mounted firing position is characterized by a hull-down posture where the TOW vehicle is behind either natural or constructed cover with only the TOW launcher exposed. Natural cover (shown in Figure 3-1) is best and is the easiest cover to prepare and camouflage.
Figure 3-1. Natural Hull-Down Position.
When natural cover is not available, hull-down positions can be excavated with engineer assistance, as shown in Figure 3-2.
Figure 3-2. Excavated Hull-Down Position.
When hide positions are used, the primary firing positions should also be hull-down, as shown in Figure 3-3. If enemy fire is accurate, hull-down positions should be selected or constructed so that the TOW vehicle can move quickly to complete defilade. Routes into and out of hull-down positions should also have complete defilade.
Figure 3-3. Hide Position to Hull-Down Position.
b. Dismounted Position. The dismounted position must protect squads from direct and indirect fires through cover and concealment. It is usually dug in with overhead protection, is intended to be retained, and is quite large. Overhead protection must allow for the bridge clamp to be raised and for inserting the indexing lugs on the encased missile into the launch tube indexing slots. As a result, overhead cover is usually used only when it can be properly camouflaged and concealed. The organic machine gun should also be positioned for self-defense.
Keep the following principles in mind when using the dismounted position:
- When constructing a dismounted position, the squad keeps the TOW system mounted in its vehicle and prepares a range card until the position can support and protect its employment. Only the tripod is used to outline the dismounted position, as shown in Figure 3-4.
Figure 3-4. Outline of Dismounted Position.
- A parapet to the front and the flanks, at least 18 inches thick, provides added protection against small-arms fire and from mortar and artillery fragments. There must be nine inches of clearance between the bottom of the launcher tube and the parapet. A hole is dug between the tripod legs for the missile guidance set, as shown in Figure 3-5. To ensure adequate line-of-sight clearance, from 500 to 900 meters in flat terrain, the position should not be more than 24 inches deep.
Figure 3-5. Position of Missile Guidance Set.
- Overhead protection is provided for squad personnel and missiles by digging squad positions on each side and to the rear of the position, as shown in Figure 3-6.
- The overhead cover is built at ground level to make the position more difficult to detect. Logs that are four to six inches in diameter, covered by about 12 to 14 inches of dirt, provide adequate protection against mortar or artillery fragments.
Figure 3-6. Overhead Cover.
- To keep the position dry, a layer of waterproof material, such as packing material or a poncho, should be laid over the logs before adding the dirt. If sandbags are used, they should also be covered with waterproof material since they become heavy when they are wet and can cause a cave-in.
c. Hunter-Killer Position. To conduct a hit-and-run antiarmor ambush, a small position may be created that is just large enough to conceal the system and crew until the ambush is executed. These positions use no overhead cover and normally take advantage of existing terrain features such as folds in the ground.
d. Urban Terrain Position. When antiarmor units are employed in urban terrain, the same considerations for position selection apply.
(1) Firing From a Building. Other considerations apply if the TOW is to be fired from a building only when the following conditions exist:
- The building is sturdy.
- The ceiling is at least two meters (seven feet) high.
- The room is at least five meters by eight meters (17 feet by 24 feet).
- There are two square meters (20 square feet) of ventilation to the rear of the system (an open door two meters by one meter (seven feet by three feet) provides that much ventilation).
- Glass is removed from all windows and doors, the floor is swept, and furniture and other objects that could be blown around are removed from the room.
- Everyone in the room is wearing earplugs and ballistic eye protection and is positioned forward of the rear end of the launch tube.
(2) Firing Limitations. Urban terrain affords the TOW squad improved conditions to maximize cover and concealment; however, firing limitations must be considered. Two clearance requirements ensure that a missile will not hit the ground before reaching a target:
- There should be at least nine inches of muzzle clearance around the end of the launch tube, as shown in Figure 3-7. This ensures that the wings and control surfaces do not hit anything when they extend after the missile clears the launch tube. If the wings are damaged or if they catch on an object, the missile will fly erratically or go to the ground.
Figure 3-7. Clearance Requirements.
- There should be at least 30 inches of clearance between a gunner's line-of-sight to a target and any obstruction between 500 and 900 meters from the firing position, as shown in Figure 3-6.
If line-of-sight clearance is less than 30 inches, the probability of the missile hitting the ground or an obstruction is increased. Figure 3-8 shows the probability of survival for the TOW. A missile does not precisely follow a gunner's line-of-sight to the target.
Figure 3-8. Probability of Survival for the TOW.
2. Battlefield Positions.
One of the biggest challenges faced by an antiarmor company commander is deciding where to position his platoons on the battlefield. This decision must include an analysis of the terrain, measures to protect the weapons systems, and measures to ensure mutual support between platoons.
a. Analyze Terrain. The first consideration in positioning the TOW system is to exploit every advantage offered by terrain for using the armor-killing capabilities of the TOW. In analyzing the terrain, the following principles are kept in mind:
- The antiarmor company commander must analyze all armor avenues of approach into the battalion sector. This analysis also should include all trafficable areas that provide cover and concealment, such as woods, or draws that the enemy could use to counter the TOW. This analysis should be made from the enemy's point of view. For example, what size force can be deployed and controlled on the approaches and where are the positions that can be used for overwatch? Much of this information can be obtained from the IPB performed by the battalion S2.
- Once the terrain has been analyzed from the enemy's perspective, the company commander then analyzes the terrain to identify potential armor engagement areas. He selects areas along the avenues of approach where the enemy will be most vulnerable to concentrated antiarmor fires. The areas selected influence how the battalion commander deploys his forces in the defense. Therefore, when the antiarmor company commander participates in the initial estimate process with the battalion commander, he recommends antiarmor engagement areas based upon his terrain analysis. The armor engagement areas that the battalion commander selects may be forward of the FEBA or within the main battle area. Their locations determine where the battalion commander will allocate supporting fires and place obstacles and mines.
- The antiarmor company commander selects flank shot positions throughout the depth of the battle area. From these positions, his platoons engage the enemy as he moves deeper into the main battle area. The positions selected must give the TOWs good fields of fire into the engagement areas. They must offer flank and rear shots along the avenues of approach and be located for mutual support and support by other weapons systems. The company should be able to mass fires into the engagement areas while keeping the TOW systems dispersed in the battle area.
b. Protect the TOW Systems. To survive and contribute to the defense, the TOW systems must be positioned where they are protected from enemy direct fire and indirect fire and from mounted or dismounted assault. If possible, engineer support should be obtained for constructing survivability positions. In preparing survivability positions, keep the following principles in mind:
- The positions must be on terrain that provides natural or man-made cover and concealment. In the defense, use of concealment is the best way to surprise the enemy. When the scheme of defense is concealed, the enemy has trouble coordinating his fires and the maneuver of his forces against specific targets. The use of fires from flanking positions and the proper use of the TOW's standoff are excellent ways to provide protection from enemy fires.
- Protection from mounted assaults is gained by positioning the TOW system on terrain that restricts the movement of vehicles. Restricted terrain includes such features as forested areas, marshy ground, steep slopes, or built-up areas. Engineer support may be available to improve fields of fire or to create or improve obstacles.
- The defense of the TOW systems from dismounted infantry attack can be achieved in several ways. One way is to position antiarmor squads or sections with the infantry elements. Another is to position infantry along avenues of approach leading to the TOW positions. A third is to reposition reserve or uncommitted forces to counter dismounted attacks after they are discovered.
c. Provide Mutual Support. Mutual support provides some protection for weapons and crews by ensuring complete, continuous coverage of engagement areas and avenues of approach. TOWs are positioned so that their fires interlock with the fires of other TOWs and antiarmor weapons systems (tanks, Dragons, AT4s). Also, they are positioned so that their fires can engage enemy armored vehicles assaulting other TOW positions.
d. Reduce Vulnerability. The antiarmor company commander takes the following steps to reduce vulnerability to enemy suppressive fire:
- Avoids positioning platoons on easily-targeted terrain features.
- Designates on-order platoon positions throughout the battle area to aid in quickly deploying platoons once they have been targeted.
- Selects positions masked by terrain from which to fight.
- Enforces the use of camouflage, concealment, and OPSEC.
- Plans movement on covered routes to subsequent positions.
- Plans smoke to obscure movement and to suppress likely enemy overwatch positions.
e. Identify Disengagement Points. In addition to selecting primary and alternate positions for his platoons, the company commander must identify disengagement points for his platoons. Disengagement points are selected by the commander so that he knows when to order his platoons to move to their next positions. The location for the disengagement point for each platoon is based upon the Threat and on the terrain.
If the commander wants his platoons to displace before they are in tank or BMP range, then he must determine where the Threat will be when he orders the platoons to move. If the terrain is open and unrestricted, the disengagement point must be farther out to allow the platoons time to displace. Conversely, if there are existing or reinforcing obstacles in front of the platoon position, the disengagement point can be closer.
The company commander must establish rules for disengagement if communications are lost. For example, the platoon and squad leaders could be told to displace, with or without orders, when the enemy reaches a certain point on the ground
Disengagement from terrain-masked positions is simplified because units are protected to their front from enemy direct-fire weapons. However, smoke should be used to conceal movement under any circumstances.
The company commander should have his platoons rehearse the disengagement to ensure that all squads know where to go and the route to use. Rehearsals also give the soldiers a better understanding of how the battle will be fought.
f. Engage the Enemy from the Flank. Frontal fire must be avoided. It attracts attention and is therefore deadly. In addition to being able to fire from the flank, the weapon should be sited so that it is in defilade from the enemy's direction. Also, concealment of the launch signature, not only from trailing tanks but from overwatch forces as well, is essential.
3. Special Missions.
A mix of antiarmor and maneuver platoons can be organized under the antiarmor company headquarters. This mixed unit can be employed as a reaction force in support of rear operations, as a higher unit reserve, or as a security/counterreconnaissance force.
a. Rear Operations. Rear operations are any operations in rear areas that protect units, lines of communications, installations, and facilities from enemy attack or sabotage. Although CS and CSS units operating in the rear set up their own defenses, they may require the greater protection of combat forces if the enemy breaks through or launches special operations in the rear area. During these rear operations, the company acts as a reaction force. The unit must be prepared to respond in a specific amount of time. The unit SOP should address these readiness conditions. Dispersion and camouflage must be weighed against responsiveness. Preparing for these operations requires the same preparations as for any mission. The area of responsibility must be reconnoitered and forces must be organized to best accomplish the attack. A CP must be set up to provide the best possible command and control. The rear area operations center, base cluster operations center, base defense operations center, installation commanders, unit commanders who are being supported, and the military police (MPs) who act as the response force must coordinate plans for the defense of rear area installations and activities. As the combat force, the company/team provides security, destroys known forces in the area, and provides primary combat power to the rear area.
b. Role of the Reserve. The TOW company/team can act as a reserve because of its firepower and mobility. Reserve forces at battalion level may consist of only those forces that are neither engaged nor assigned to be a dedicated reserve. As a dedicated or designated reserve, the company/team must be prepared for action at any time. As a standard reserve, the company/team is concerned with rear operations, counterattack, and relief operations.
c. Security Operations. Counterreconnaissance, a subset of security, prevents hostile observations of a force, area, or place. The security or counterreconnaissance force prevents the main body from being observed or surprised by an enemy attack or reconnaissance probe. These operations are conducted forward, to the flanks, or to the rear of the battalion. The company/team can screen the battalion at great distances. Ideally, the antiarmor commander can be used as the counterreconnaissance coordinator. By placing scouts, tanks, and TOWs under the antiarmor commander's control, the battalion commander obtains a unified counterreconnaissance operation. The scouts are used to identify the composition and direction of movement of the enemy reconnaissance. The antiarmor commander can then use the tank and TOW assets to fix, fight, or delay the enemy. This provides the battalion with the time and space to position forces to fight the enemy.
4. Alternative Missions for Units with TOW HMMWV.
At times, units are unable to employ TOWs. Also, infantry battalions (especially those with more than one TOW platoon) face tactical situations in which they cannot use all their TOWs. They may move to terrain so rugged or impassable that Threat armor cannot operate in it--for example, mountains, hills, or forests/jungles with thick undergrowth that blocks ATGM wires and restricts visibility. Also, infantry battalions might fight an enemy who has no armor or who has only lightly armored vehicles such as APCs. Based upon his METT-T analysis, the commander may decide to use TOW units in alternative roles. He must devote training time for practicing these skills even though the principles of direct-fire suppression differ little from the principles of TOW employment. Commanders should train to use TOWs for alternative missions to make the best use of a combat subunit that has its own transportation, communications, and organized leadership. Some alternatives are discussed in this paragraph.
a. Observation Posts. TOW units can man observation posts (OPs) either dismounted or mounted, although dismounted OPs are often the better. The powerful day tracker (and thermal night tracker for TOW 2) allows TOW squads to effectively detect movement. TOW platoons can operate either independently or under OPCON of the scout platoon.
b. Traffic Control Points. TOW squads can operate traffic control points (TCPs) to mark routes, to mark critical points, and to direct traffic during tactical motor and foot marches. Doing so allows the scout platoon to concentrate upon reconnaissance that is directly related to tactical missions. TOW squads operate TCPs best during motor marches, but they can do so (dismounted) during foot marches as well.
c. Antivehicular Ambush. TOW units can perform antivehicular ambushes as an economy-of-force measure to kill enemy reconnaissance vehicles. For example, TOW platoons can set up a series of ambushes to the flank of an enemy battalion that is defending in depth in a forest. Having TOW units perform this mission eliminates the need to pull infantry squads away from their companies to do it. Normally, terrain prohibits TOW use. The TOW unit uses AT4s and M21 mines reinforced with Claymores, M249 machine guns, and M203 grenade launchers. The TOW section is the smallest element that can conduct an ambush alone. TOW sections can also conduct antipersonnel ambushes when armor is not a threat.
d. Security Force. In military operations on urbanized terrain (MOUT), TOW platoons can relieve rifle platoons holding secured city blocks, freeing these platoons for other missions.
e. Carrying Parties. In mountain warfare or, more often, in MOUT, TOW platoons can become carrying parties, moving supplies forward and carrying wounded back. TOW platoons can perform these tasks either mounted or dismounted.
f. Provisional Heavy Machine Gun Sections. Except for mechanized infantry TOW units, most TOW units in infantry battalions are issued MK 19 40-mm machine guns and .50-caliber M2 machine guns as supplemental weapons. Both are excellent direct-fire suppression weapons, especially against enemy infantry, lightly armored vehicles, and fortifications. TOW sections operating heavy machine guns can offer support by fire. In most cases, TOW sections in this role employ the machine guns dismounted, although the section transports the guns and ammunition in its HMMWVs after cross-loading TOW missiles. The HMMWV's high silhouette and light armor could prevent it from being used as a machine gun platform.
PART B - OPERATE IN AN NBC ENVIRONMENT
1. Nuclear, Biological, and Chemical (NBC) Operations.
The Threat considers chemical hazards a normal condition on the battlefield. He uses chemicals during both defensive and offensive operations and is prepared to accept casualties and reduced efficiency in exchange for tactical gain. Planning for the use of nuclear and chemical weapons as well as for protective measures against enemy nuclear, biological, and chemical (NBC) weapons must be routine.
2. Planning Considerations.
NBC weapons add a new dimension to the battlefield. They can produce massive casualties that overtax the medical evacuation (MEDEVAC) and replacement systems, create heat and psychological casualties, and degrade speed and accuracy in gunnery. Training, SOPs, and an accurate mission-oriented protective posture (MOPP) analysis are keys to reducing casualties and enhancing a unit's ability to continue operations in an NBC environment.
a. Chemical Contamination. During chemical contamination, units and individuals lose their identities, command and control deteriorate, and all simple human tasks, such as eating, sleeping, moving, and passing body wastes, become difficult, complicated, unclean, and miserable.
b. Defense Against NBC. Defense against NBC means more than self-protection. Units must prepare to take educated, calculated risks. Casualties are the price of waging war. NBC is a condition, not a task. The reduction of capabilities that results from using MOPP gear must be weighed against potential casualties that might result if MOPP gear was not used during an NBC attack. Going too far in either direction can reduce combat power to unacceptable levels. NBC defense doctrine emphasizes "mission-oriented" when discussing mission-oriented protective posture. MOPP gives commanders the flexibility to maintain combat capability at the highest level possible in contaminated conditions. This process is called MOPP analysis, and is summarized in Figure 3-9.
Figure 3-9. MOPP Levels and Protective Equipment.
c. Balance Between Defense Against NBC and Mission Accomplishment. Training for defense against NBC must balance with mission accomplishment. It should include techniques of decontamination and MOPP relief used to rebuild combat potential. In combat, the enemy--not the contamination--should be the focus. Contamination is considered part of IPB and the commander's estimate of the situation.
3. Chemical Combination.
Protection can be improved by locating, identifying, and reporting NBC hazards; by warning about NBC hazards; and by using passive measures. Passive measures decrease the probability of attack by reducing target signature and improving survivability. These measures include cover and concealment, dispersion, operations security (OPSEC), and signals security (SIGSEC).
a. Avoidance of Contamination. Avoidance can be achieved by locating and marking contaminated areas along routes, in battle positions, and in assembly areas. Reconnaissance and quartering parties should be prepared to do this. Locating and identifying the type and concentration or density of contamination allows development of a plan to bypass, cross, or operate in a chemical or radioactive hazard.
b. Detection of Liquid Contaminants. In addition to alarms, M9 paper can detect liquid contaminants. Strips of M9 paper taped to clothing, equipment, and vehicles can provide the first warning that a contaminated area has been entered or a chemical attack is occurring. However, since the paper can also react to nonthreatening liquids, the M256A1 chemical agent detector kit must be used to verify contamination.
c. Symptoms of Contamination. Affected soldiers show signs of exposure to chemical contamination through their physical reactions. However, physical symptoms of a chemical agent can be similar to reactions to toxins. Therefore, an M256A1 kit or M8 paper should be used to verify chemical contamination when symptoms, such as those listed in Figure 3-10, appear.
Figure 3-10. Symptoms Caused By Chemical Agents.
The effects of chemical agents are shown in Figure 3-11.
Figure 3-11. Effects of Chemical Agents.
d. First Aid, Decontamination, and Protection. The methods of first aid, decontamination, and protection for nerve, blister,blood, and choking agents are shown in Figure 3-12.
Figure 3-12. First Aid, Decontamination, and Protection for Chemical Agents.
4. Biological Contamination.
No method exists to detect biological agents (including toxins). Increased illness, however, could indicate the existence of a biological threat. Toxins act much faster than biological agents. The best defense against biological agents is to make sure that hygiene discipline, field sanitation, and preventive medicine measures are enforced.
5. Nuclear Contamination.
A nuclear hazard requires additional protective measures.
a. Battalion Level. A battalion task force sends no nuclear warning (NUCWARN). Battalion is the lowest level to receive a NUCWARN or chemical warning (CHEMWARN). Instead, battalion sends specific instructions about actions that should be taken. This is a brief message that contains the following:
- A proword indicating that the message is a nuclear strike warning.
- A directive to the team to observe a specific nuclear defense level or to evacuate the area.
- The expected time of burst.
- The direction of burst.
b. Maximum Protection. For maximum protection, the TOW unit must do the following:
- Position armored vehicles to reduce blast damage and radiation exposure:
- Use sandbags for radiation shielding, if available.
- Remove or secure and cover equipment that is stowed on the outside of the vehicle.
- Take down antennas and disconnect all cables, including handsets, from all radios except a few mission-essential sets to monitor specific nets as required by SOP.
- By orienting ITVs toward the strike location with the turrets stowed.
- By removing TOW missiles from the launcher and stowing them.
- By closing and securing all hatches.
- By covering all vision blocks and sights.
- By evacuating wheeled vehicle, ITV, and APC personnel to bunkers, if available. (Only personnel buttoned up in tanks and bunkers are considered to be under maximum protection).
c. Minimum Protection. For minimum protection, the TOW unit must do the following:
- Assume positions at the bottom of hills if it is moving and has no time to dig in.
- Evacuate personnel from wheeled vehicles.
6. Biological and Chemical Contamination.
After being contaminated by biological or chemical agents, the unit must decontaminate somewhat before the protection level is reduced below MOPP4. The same decontamination procedure is used for both biological (including toxins) and chemical contamination.
a. Quick Decontamination. A TOW squad can direct the following quick decontamination actions:
- Decontaminate skin with the M280 squad wipes or M258A1 kit.
- Wipe personnel and equipment with the M280 decontamination kit individual equipment (DKIE).
- Spray the operator with the M13 decontamination apparatus portable (DAP). Spray vehicle exits and entrances and any areas necessary for operation with the M11 decontamination apparatus.
b. Decontamination When Casualties Are Great. Casualties may be so great that the unit must disengage to decontaminate. This may be done by platoon, section, or squad. Decontamination by platoon offers the best command and control. Hasty decontamination should be conducted as far forward as possible, in accordance with the decontamination techniques shown in Figure 3-13.
Figure 3-13. Decontamination Techniques.
7. Nuclear Decontamination.
Nuclear decontamination can begin when fallout stops or after leaving the contaminated area.
a. Individual Decontamination. To perform individual's contamination, take the following actions:
- Brush or wash clothing and equipment thoroughly to remove dust particles. (This should be done away from the position to be occupied).
- Shower and change clothes.
- If there is a great deal of dust in the air, wear a scarf or other piece of cloth to cover the mouth and nose. (Do not use the protective mask unless there is a chemical threat. The dust will contaminate the filters).
b. Equipment and Area Decontamination. To decontaminate the equipment and area, take the following actions:
- Turn over soil (at least seven inches down) in the immediate area around fighting positions or vehicles.
- Wash vehicles and weapons using any available water source in an area away from the position.
8. Organization of Nuclear, Biological, and Chemical Defense.
NBC defense teams should be organized from within the units. The teams should consist of an NBC school-trained officer, the chemical noncommissioned officer (NCO), and an enlisted alternate from company headquarters. Soldiers should also be designated and trained to operate all assigned NBC equipment and to help during decontamination operations (as an extra duty). The chemical NCO advises and aids in the NBC defense activities of the company and in training NBC equipment operators and decontamination teams. This soldier also advises the commander on organization and equipment guide (OEG) and unit decontamination operations. Aided by an enlisted alternate, the chemical NCO coordinates radiological monitoring, chemical detection, and decontamination operations. The chemical NCO should be located with the unit commander or leader. However, an alternate location might be with the first sergeant in the company combat trains. The NBC defense officer, the chemical NCO, and the enlisted alternate are trained to perform the following actions:
- Help with all NBC training.
- Receive, prepare, evaluate, and disseminate information on enemy and friendly NBC attacks.
- Inspect individual and unit NBC equipment and advise on its maintenance.
- Ensure that the basic load of individual and unit NBC equipment and supplies are maintained.
- Aid in the employment of unit detection, monitoring, survey, and decontamination teams.
- Maintain unit radiation status records from the date obtained from the IM93 tactical dosimeter.
9. Defensive Operations in a Nuclear, Biological, and Chemical Environment.
Since MOPP gear prevents personnel recognition at a distance and increases the physical effort needed to move from position to position, division of authority is critical. Soldiers should expect to be hit by chemical agents while conducting defensive missions. Analysis of the terrain by the chemical NCO should be part of preparing the initial battle position. The chemical NCO identifies the areas in which agents are less likely to accumulate. This information helps in the choice of alternate platoon positions. The leader's position is critical in a chemical environment. When reaction time is reduced, operations are also reduced. Decisions must be made early, requiring commitment to a course of action that cannot be changed. Therefore, timely decisions must be made at contingency decision points where the battlefield can be seen.
10. Offensive Operations in a Nuclear, Biological, and Chemical Operations Environment.
Observing MOPP4 degrades the soldier's ability to remain oriented in battle. Since chemical mines supporting obstacles pose a serious threat, infantrymen are forced into MOPP4. This hinders the breaching effort as follows:
- Movement rates of dismounted infantry are reduced.
- Target acquisition for TOWs is hindered.
- Synchronization of combat assets at critical times and places on the battlefield is more difficult.
- Platoons move more slowly and fire less often.
- Combat support arrives later.
- Combat service support lines become longer and supplies become contaminated.
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