The White House has released a photo of President Barack Obama firing a gun, two days before he is set to travel to Minnesota to discuss gun control. It shows Obama shooting at clay targets on the range at Camp David, the presidential retreat in Maryland, where he says he engages in the sport "all the time."

The image was released at a time when Obama is pushing a package of gun-control measures in response to the Newtown, Conn., school shooting. But the image of a U.S. president holding a gun is certainly nothing new. A number of men who have held the highest office in America have been pictured holding guns, from Theodore Roosevelt to George W. Bush.

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Here is a gallery of images showing some of the presidents who have taken up a gun, while in or out of office: