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The fact that McCarthy volunteered for the Marines isnt unsubstantial. One of his friends joined the Army, and hinted to McCarthy the recognition that would come with being a war vet. He promptly did. And the way he exxagerated his accomplishments and paraded his "experience" in his early campaigns further supports that point. If you want a source, I got it from this book:

The fact that McCarthy volunteered for the Marines just to get recognition isnt unsubstantial. One of his friends joined the Army, and hinted to McCarthy the recognition that would come with being a war vet. He promptly did. And the way he exxagerated his accomplishments and paraded his "experience" in his early campaigns further supports that point. If you want a source, I got it from this book:

http://www.amazon.com/Shooting-Star-Brief-Arc-McCarthy/dp/015101082X/ref=sr_1_1/104-7378193-7451119?ie=UTF8&s=books&qid=1173999652&sr=8-1

http://www.amazon.com/Shooting-Star-Brief-Arc-McCarthy/dp/015101082X/ref=sr_1_1/104-7378193-7451119?ie=UTF8&s=books&qid=1173999652&sr=8-1