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ARLINGTON, VA - SEPTEMBER 02: Pentagon Press Secretary Rear Adm. John Kirby departs after answering questions at the Pentagon September 2, 2014 in Arlington, Virginia. Kirby commented on the current situation in Iraq, Ukraine, and a recent operation by U.S. forces in Somalia. (Photo by Win McNamee/Getty Images)

ARLINGTON, VA - SEPTEMBER 02:  Pentagon Press Secretary Rear Adm. John Kirby departs after answering questions at the Pentagon September 2, 2014 in Arlington, Virginia. Kirby commented on the current situation in Iraq, Ukraine, and a recent operation by U.S. forces in Somalia.  (Photo by Win McNamee/Getty Images)