in recent and doubtlessly in any future military conflict air attacks represent the clearest threat to ground troops as well as to civilian populated areas and to vital military and civilian infrastructures such vicious air threats can be attributed mainly to the availability and deployment of highly advanced weaponry ranging from combat aircraft attack helicopters cruise missiles and unmanned attack
vehicles to precision-guided munitions these low-level air threats may persist day and night irrespective of weather terrain and severe electronic countermeasure conditions