Defense Secretary Chuck Hagel greets U.S. troops stationed at Manas Air Force Base, Kyrgyzstan, Friday, March 8, 2013, before he boarded a C-17 military aircraft en route to Kabul, Afghanistan. Hagel ... more 
Defense Secretary Chuck Hagel greets U.S. troops stationed at Manas Air Force Base, Kyrgyzstan, Friday, March 8, 2013, before he boarded a C-17 military aircraft en route to Kabul, Afghanistan. Hagel arrived in Afghanistan Friday for his first visit as Pentagon chief, saying that there are plenty of challenges ahead as NATO hands over the country's security to the Afghans. (AP Photo/Jason Reed, Pool) less 
1 / 29
Associated Press | Photo By Jason Reed, Pool
Fri, Mar 8, 2013 2:18 PM EST