Spc. Pedro Heredia, a medic for Alpha Company, 3rd Battalion, 116th Cavalry Regiment, 77th Sustainment Brigade, 310th Expeditionary Sustainment Command, and a native of Baker City, Ore., walks through the 3rd Battalion headquarters building on the way to medic training on Joint Base Balad, Iraq. Heredia began his military career as a mechanic but decided to become a medic before his unit deployed to Iraq.