U.S. Defense Secretary Chuck Hagel, right, and Canadian Defense Minister Rob Nicholson shake hands after a press conference where they signed a memorandum of understanding at the Halifax International Security Forum in Halifax, Nova Scotia, Nov. 22, 2013. U.S. Defense Secretary Chuck Hagel, right, and Canadian Defense Minister Rob Nicholson shake hands after a press conference where they signed a memorandum of understanding at the Halifax International Security Forum in Halifax, Nova Scotia, Nov. 22, 2013. SHARE: Download: Full Size (1.03 MB) Tags: Photo Essays Credit: VIRIN: 440243-V-NOO46-263.jpg Photo Gallery