Secretary Hagel shakes hands with U.S. Army military policemen Secretary of Defense Chuck Hagel shakes hands with U.S. Army military policemen as he thanks them for their support during his trip to Kabul, Afghanistan, on March 11, 2013. Hagel is in Afghanistan on his first trip as secretary of defense to visit U.S. troops, NATO leaders, and Afghan counterparts. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 308696-A-TIE29-222.jpg Photo Gallery