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(Yulia Grigoryeva/Shutterstock)

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Trident submarine USS Georgia (SSGN 729) on Thursday, October 7, 2004 off the coast of Southern California. (Sandy Huffaker/Getty Images)

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Indian army soldierss fire on Palistinian positions on December 15, 1971 during the India-Pakistani War of 1971. (AFP/Getty Images)

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Gold bars are seen at the Czech Central Bank on September 5, 2011 in Prague. (MICHAL CIZEK/AFP/Getty Images)

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A healthcare reform specialist helps people select insurance plans at the free Affordable Care Act (ACA) Enrollment Fair at Pasadena City College on November 19, 2013 in Pasadena, California. (David McNew/Getty Images)