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The ability of any nation or people to defend its borders from foreign threats has been part of human existence from the very beginning of time. For a nation to be considered independent, protecting its territorial integrity is essential otherwise its very existence comes into question. A nation that is able to secure its territorial integrity can then focus on internal development and prosperity, not having to worry about external interference. This situation is achieved through the development of an industrial base that manufacturers military equipment. This then makes a nation capable of defending its borders and also makes it self-sufficient in this endeavour. This deterrent capability also gives a nation power projection capabilities, this then allows it to play a role in the world well beyond its borders.