Larry Abramson

Jeff Duford is standing next to an A-10, one of the most beloved planes of all time. It's painted green, a clue that it was designed for a threat that has disappeared — it was built at the height of the Cold War.

"The reason why it's painted this way is because at that time, this airframe was expected to stop Soviet tanks from rolling through Germany," says Duford, curator of the National Museum of the U.S. Air Force in Dayton, Ohio. "So it's painted to kind of match the terrain that one would find in Central Europe."

U.S. Secretary of Defense Chuck Hagel visited the Combined Air and Space Operations Center in the tiny Persian Gulf nation of Qatar on Tuesday morning, the last leg of a tour that has also taken him to Bahrain, Afghanistan, Pakistan and Saudi Arabia.

Google says the number of requests it gets from the U.S. government for user information is rising — fast.

When U.S. troops entered the basement of Saddam Hussein's secret police building in Baghdad a decade ago, they were looking for weapons of mass destruction. They didn't find any.

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