Figure 2-2. TNT block demolition charges.
Figure 2-3. M112 block demolition charge.
Three types of demolition charges are called special-purpose charges because, while they function well against
the specific targets for which they are designed, they do not lend themselves to general demolition operations.
The following paragraphs describe these special-purpose charges and their functions.
The 40-pound cratering charge (DODIC M039) is packaged in a watertight cylindrical metal container, as shown
in Figure 2-5. It has two priming tunnels located on the outside midway between the ends. One tunnel is for use
with a blasting cap. The other is for use with