Captain Joseph Dewson, left, a 28-year-old Marine reservist from Newark, Delaware, and an advisor with Security Force Assistance Advisor Team 2-215, speaks with Maj. Mhamaref, center, the education officer for 2nd Brigade, 215th Corps, Afghan National Army, aboard Forward Operating Base Nolay, Helmand province, Afghanistan, April 8, 2014. Following four years of Marines fighting in the Sangin District and advising their Afghan counterparts, Marines left Sangin for the final time, May 4, 2014.