Overwatch, Afghanistan - Two soldiers sitting on top of a large rock

U.S. Army Pfc. Najier Williams of Company C, 3rd Battalion, 66th Armor Regiment, Task Force 2-28, 172nd Infantry Brigade, keeps watch in the early morning hours of Sept. 8 while his battle buddy catches a few precious minutes of sleep. The unit was on a joint mission with the Afghan National Army and the Afghan Border Patrol to clear the area of insurgents in the mountainous border region near Forward Operating Base Tillman.