** FILE ** Secretary of Defense Chuck Hagel answers questions on Syria during a joint news conference with the United Kingdom's Secretary of State for Defence Phillip Hammond, at the Pentagon in Washington, Thursday, May 2, 2013. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

** FILE ** Secretary of Defense Chuck Hagel answers questions on Syria during a joint news conference with the United Kingdom's Secretary of State for Defence Phillip Hammond, at the Pentagon in Washington, Thursday, May 2, 2013. (AP Photo/J. Scott Applewhite)