Members of the 380th Expeditionary Maintenence Squadron Metals Technology shop laugh together Mar. 13 at the pavillion here. Smiling has been linked to increased heart health in a recent study by the University of Kansas. Left to right: Air Force Staff Sgt. Frank Ruckel, 380 EMXS metals technology craftsman; Air Force Airman 1st Class Russell Chapin, 380 EMXS sheet metal journeyman; Air Force Senior Airman Ryan Lorenzo, 380 EMXS sheet metal journeyman; Air Force Staff Sgt. Craig Spencer, 380 EMXS sheet metal journeyman; and Air Force Senior Airman Victoria Hanshaw, 380 EMXS sheet metal journeyman. (U.S. Air Force photo by Staff Sgt. Timothy Boyer/Released)