MembersUnderworld of Terror

Since 2014, the Islamic terrorist group has been able to infiltrate Israel and attack its citizens through a series of fortified cross-border trenches that have been difficult to detect.

To combat this strategic weapon, the Israel Defense Forces (IDF) created an elite commando unit of the Combat Engineering Corps to specialize in underground warfare. The unit is called Yahalom, Hebrew for “diamond,” because of its ability to cut through the massive concrete entrenchments.

“The main challenge of underground warfare is that the enemy has no above-ground signature,” says Yahalom...