Sgt. 1st Class Jorge Calvo, a platoon sergeant, from Task Force Maverick, calls his position in to base while on patrol during Operation Days of Thunder in Parwan province, Afghanistan, Oct. 29, 2011. Calvo is from El Paso, Texas, and is taking part in Operation Days of Thunder with soldiers from TF Maverick, the Afghan National Army and members of the Afghan National Police to eliminate insurgents from the Qemchaq Valley. (Photo by Sgt. 1st Class Lawree R. Washington Jr.)