Deputy Defense Secretary Ashton B. Carter shakes hands with Chief Warrant Officer 3 Michael Clemens after presenting him with the Army Commendation Medal for valor Sept. 15, 2013, on Forward Operating Base Ghazni, Afghanistan. Clemens was recognized for his actions during an insurgent attack Aug. 28, 2013, on the base. (U.S. Navy photo by Mass Communication Specialist 1st Class Les Long)