U.S. Air Force Master Sergeant Glenn Clark, a videographer from Fourth Combat Camera Squadron at March ARB, CA adjusts a video mixer during the Air Force Reserve Command (AFRC) Human Resources Development Council (HRDC) conference held Oct 24-27, 2010 in Atlanta, GA. The goal of HRDC is to create and maintain a fully developed, skilled, motivated, enthusiastic, and diverse workforce. (U.S. Air Force photo by Technical Sergeant Joe Zuccaro) (released)