 Meanwhile, the U.S. Army who had many reasons to support a high success rate for Patriot, examined the performance of Patriot in Saudi Arabia.Both testimonies state that part of the problems stem from its original design as an anti-aircraft system.Patriot was designed with proximity fuzed warheads, which are designed to explode immediately prior to hitting a target spraying shrapnel out in a fan in front of the missile, either destroying or disabling the target.