344th ARS Airman earns spotlight performer
Senior Airman Steven Mertens, 344th Air Refueling Squadron boom operator, prepares to preflight check his helmet July 19, 2012, McConnell Air Force Base, Kan. As a boom operator, Mertens inspects, operates and troubleshoots in-flight refueling systems. (U.S. Air Force photo/Airman 1st Class Jose L. Leon)