When ingenuity and engineering meet in the combat zone -- designs like the Mobile Area Cordon Equipment (MACE) stop.
Detonation of an ISIS car Bomb in Front of an Iraqi PMU Position
Tal Afar frontline (west of Mosul): Iraqi forces have just finished their defense positions. An ISIS VBIED approaches. Unable to breach into the defense position, the car bomb blows up (or is hit) just in front of it.