This equipment is an automatic deployment vehicle halting device which has been designed to seriously effect the use of vehicles which may be carrying ballistic content from reaching their target.

The name BOBULA* is given to express the way in which the energy isreleased on the road surface, when deployed from a Helicopter, UAV, (or Police/Military vehicle, positioned ahead of a suspect vehicle behaves until it comes to standstill as an effective arresting device.

These equipments are members of a specialised family of vehicle arresting devices whereby ‘pin point’ accuracy of target aquisition is achieved by aerial descent.

Derived from our Airfield Denial Weapon system and means to deny the Scud Missile Transporter as a stable Missile firing platform.

Source and more info: shephard