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North Korean underwater test-fire of strategic submarine ballistic missile
Russian and Syrian servicemen line up near military jets during a ceremony dedicated to the withdrawal of Russian troops from Syria
North Korean leader Kim Jong Un salutes as he arrives to inspect a military drill at an unknown location, in this undated photo released by North Korea's Korean Central News Agency (KCNA)
Russian S-300 anti-missile rocket system
Dr. Anthony Fauci, director of the National Institute for Allergy and Infectious Disease, and Dr. Anne Schuchat, Principal Deputy Director for Centers of Disease Control Prevention, speak about the Zika virus at the White House in Washington April 11 / Reuters
Edward Lin at a 2008 naturalization ceremony in Hawaii
Joseph Dunford
San Diego Naval Hospital