GRISSOM AIR RESERVE BASE, Ind., -- Tech. Sgt. Randy Brooks, an aircraft hydraulics system mechanic with the 434th Maintenance Group, visually guides the front of a refueling boom as it is reattached on a KC-135R Stratotanker. The 434th Air Refueling Wing and its fleet of KC-135 Stratotankers provide mid-air refueling to bomber, fighter and cargo aircraft. (U.S. Air Force Photo/Tech. Sgt. Patrick M. Kuminecz)