Russian President Vladimir Putin takes part in a nationally televised question-and-answer session in Moscow, Thursday, April 17, 2014. Russian President Vladimir Putin on Thursday rejected claims that Russian special forces are fomenting unrest in eastern Ukraine, but recognized for the first time that the troops in unmarked uniforms who had overtaken Ukraine's Crimean Peninsula before its annexation by Moscow were Russian soldiers. (AP Photo/RIA-Novosti, Alexei Nikolsky, Presidential Press Service)
President Bush takes a photograph of himself with a group of police officers Wednesday, Feb. 6, 2002, in New York. Bush attended the gathering of New York police and firefighters to discuss homeland security issues. Defusing a brief controversy, President Bush on Wednesday renewed his pledge that the government will give $20 billion to New York for its recovery from the Sept. 11 attacks. (AP Photo/Suzanne Plunkett)
A U.S. Air Force A-10 Thunderbolt II finishes a refueling over the Alaskan Range during Red Flag-Alaska, Eielson AFB, AK, June 24, 2010. More than 1,300 personnel are deployed here for the exercise which includes units from two international military partners. The exercise will end on June 25th.
(U.S. Air Force photo/SSgt Clay Lancaster)