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The U.S. Navy flight demonstration squadron, the Blue Angels, fly in the Delta Formation over the aircraft carrier USS George H.W. Bush off the Florida coast near Mayport Naval Station, Fla., in the Atlantic Ocean, Dec.10, 2013. (DoD/Released)

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(DonNichols/E+/Getty Images)

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Hundreds of advocates for marijuana legalization rally and smoke pot outside the White House in Washington, D.C. on April 02, 2016. (Marvin Joseph/The Washington Post via Getty Images)

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A man walks past a screen showing global stock market information on the street in Tokyo on August 25, 2015. (Chris McGrath/Getty Images)

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Filipino protesters display placards during a rally against China's claim to areas of the South China Sea, at the Chinese consulate in Manila on June 12, 2014. (JAY DIRECTO/AFP/Getty Images)

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Russian Prime Minister Vladimir Putin at the Russian armament exhibition Expo Arms-2011 September 9 2011 in the Urals town of Nizhny Tagil, Russia. (Sasha Mordovets/Getty Images)