Figure 2-1. Temperature firing limits.

TM 9-1375-213-12-1

Figure 2-1. Temperature firing limits.

temperatures the kit's temperature will

(b) In an airfield pocking operation, the

be close to that of the area where it has

orientation cited in b (1) (a), above is not required

been located for an hour or two. At high

since the main objective is to create many holes

temperatures, the sun can quickly raise

in the airfield runways, with no particular regard

the temperature of an exposed kit or an

to direction.

enclosed shelter (such as a box-car) far

(2) Road cratering. Road widths that can be

higher than that of the outside air. A good

successfully cratered by a single kit or by several

rough method of determining whether a

closely spaced kits are indicated in figure 2-2. No

kit is too hot to fire is to (carefully) touch

more than five kits may be fired at once in close

the surface of the rocket motor. If you can

multi-kit deployment, and only the deployment

keep your hand on the surface without

setups shown in figure 2-2 may be used. Any

discomfort, the kit is cool enough to fire.

other spacings or orientations may reduce the

effectiveness of the shot.

(1) General.

(3) Airfield pocking. In operations such as air-

(a) Because the shaped charge and rocket

field pocking, up to 15 kits may be fired simulta-

propelled warhead are aimed at a 60 angle to the

neously if there is a minimum of 25 feet (7.5 me-

ground, the resulting crater will tend to have a

ters) between kits.

steeper slope on the side toward which the launch

leg is aimed. Therefore, when kits are being used

2-4. Initial Preparations

to make a vehicle obstacle, the steeper side should

be oriented so as to make exit more difficult in

a. Unless otherwise noted, the following para-

the anticipated direction of enemy travel. When

graph refers to single kit and multi-kit operations.

the steeper side lies at an angle to the road (rather

(1) Determine number of kits to be used and

than straight across the road), vehicle movement

method of deployment (b above).

will be further hindered in that the vehicle will

(2) Select a suitable location for the firing site

be channeled off the roadway in its attempts to

(no closer than 500 feet (150 meters) if there is

back up the shallowest slope of the crater. To ob-

cover, or 4000 feet (1200 meters) if there is no

tain the most effective vehicle obstacle, the de-

cover).

ployment angles and placement of the kits shown

(3) Mark target point for each kit that is to be

in figure 2-2 must be stictly adhered to.

used.

2-2