Col. James Clavenna, left, and Chief Master Sgt. Terrence Greene, right, are joined by three of November's "Diamond Sharp" recipients Nov. 2, 2010, at the Charleston Club on Joint Base Charleston-Air Base, S.C. The award winners present were, from left, Senior Airman Kent Boatright from the 437th Maintenance Squadron, Senior Airman Jessica Dial from the 437th Aircraft Maintenance Squadron and Staff Sgt. Robert Pennington from the 437th Maintenance Operations Squadron. A fourth winner, Senior Airman Kyle Mace from the 14th Airlift Squadron, was unable to attend the award ceremony. The Diamond Sharp award is given based on outstanding performance, image, volunteerism, as well as significant self, peer, and community improvement. Each recipient is chosen for the award by their unit first sergeant. Colonel Clavenna is the 437th Maintenance Group commander, and Chief Greene is the 437th Airlift Wing command chief. (U.S. Air Force photo/Staff Sgt. Marie Brown)