Joint Chiefs Chairman Gen. Martin Dempsey speaks during a news conference at the Pentagon, Thursday, Sept. 27, 2012. (AP Photo/Jacquelyn Martin)

 

              Joint Chiefs Chairman Gen. Martin Dempsey speaks during a news conference at the Pentagon, Thursday, Sept. 27, 2012. (AP Photo/Jacquelyn Martin)
Joint Chiefs Chairman Gen. Martin Dempsey speaks during a news conference at the Pentagon, Thursday, Sept. 27, 2012. (AP Photo/Jacquelyn Martin)