GERMANY DEPARTURE U.S. Defense Secretary Chuck Hagel waves goodbye as he boards an Air Force E-4B on Ramstein Air Base in Germany, March 11, 2013. Hagel traveled to Afghanistan on his first trip as the 24th defense secretary to visit U.S. troops, NATO leaders and Afghan counterparts. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 442998-U-JHO60-815.jpg Photo Gallery