ladies and gentlemen, round of apologies for john mcmanus mark calhoon. in today's guerrilla warfare, especially as it's practiced in the orient, one of the most challenging, dangerous problems which confront combat forces is the enemies use of earthen tunnels. tunnels and caves were used. the japanese in world war two and by the koreans during the conflict which followed. once the line of battle had moved them and the area in which they existed was secured by our troops. these subterranean fortifications were permanently neutralized as a part of the area consolidation. today, however, a different type warfare is being waged. rarely are areas held long enough to be thoroughly cleaned out. instead, the major actions of our combat troops consist of and destroy operations intensive drives through enemy with the primary objective of finding and destroying his forces and then moving on. seldom is the occupation of terrain for extended periods objective in itself and in these situations the enemy's use of earthen tunnels becomes serious. he can hide in them unt

ladies and gentlemen, round of apologies for john mcmanus mark calhoon.