A U.S. soldier flies in a CH-47 Chinook helicopter from the 82nd Combat Aviation Brigade, to an advising...
A U.S. soldier from the 3rd Cavalry Regiment flies in a CH-47 Chinook helicopter from the 82nd Combat Aviation Brigade, to an advising mission at an Afghan National Army headquarters for the 203rd Corps in the Paktia province of Afghanistan December 21, 2014. REUTERS/Lucas Jackson (AFGHANISTAN - Tags: CIVIL UNREST POLITICS MILITARY)