From left, Air Force Tech. Sgt. Anthony Stewart, assigned to Defense Contract Management Agency Lockheed Martin Ft. Worth, is presented his new rank insignia by Air Force Chief Master Sgt. Michael Mitchell, DCMA senior enlisted advisor; and Air Force Tech. Sgt. Armon Parker, assigned to agency headquarters, is presented his certificate of promotion by Air Force Col. Kurt Mencke, Military Personnel Division director. Four DCMA team members were recently selected for master sergeant, an 80 percent promotion rate compared to the Air Force average of 23 percent.