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The defense of a nation has come a long way in the span of history. With military technology becoming ever more precise and devastating, creating an effective defense against these weapons is quite essential. When the English created the longbow in med-evil times it revolutionized the way war was fought. They found a way to attack their enemy from afar. The English’s opponents were rendered defenseless against their barrage of arrows. With the longbow came the refinement of the shield, which gave opponents a chance to guard themselves. These advances are part of a patter that embodies the relationship between how warfare becomes less physical and more technological as time progresses. A thousand years later the arrows have developed into long-range missiles and the shields are now sophisticated tracking systems set up to destroy these missiles before they strike. Although we have been able to advance our means to destroy, this means that defending against these modern weapons has become ever more complicated. Recent attacks on the US have shown that many powerful organizations aim to do harm to the Untied States, so how do we assure our safety and freedom that we have enjoyed for so long? Missiles have come a long way