Here are three types of Booby Traps US Marines have to face in clearing Guerrillas from tree lines and Paddies around hill seven miles Southwest of Da Nang Vietnam on April Left a marine shows the buried pit type that detonates when stepped on Top right he demonstrates a rakelike row of spikes on a bamboo rod that drop in the stomach area Bottom right he pauses before a thin wire that sets of a hidden grenadebr
