WASHINGTON - SEPTEMBER 17:   U.S. President Barack Obama announces a 'phased, adaptive approach' to U.S. missile defense in Europe during a statement in the Diplomatic Reception Room of the White House on September 17, 2009 in Washington, DC. Secretary of Defense Robert M. Gates gave his own conference today, speaking primarily about a change in strategy on missile defense planning that would scrap a plan proposed by former U.S. President George W. Bush and instead focus efforts on revising the system to counter possible threats posed by shorter range Iranian missiles. Obama later spoke at a health insurance reform rally in College Park, Maryland. Getty Images logo Getty Images 29 months ago

WASHINGTON - SEPTEMBER 17: U.S. President Barack Obama announces a 'phased, adaptive approach' to U.S. missile defense in Europe during a statement in the Diplomatic Reception Room of the White House on September 17, 2009 in Washington, DC. Secretary of Defense Robert M. Gates gave his own conference today, speaking primarily about a change in strategy on missile defense planning that would scrap a plan proposed by former U.S. President George W. Bush and instead focus efforts on revising the system to counter possible threats posed by shorter range Iranian missiles. Obama later spoke at a health insurance reform rally in College Park, Maryland.