NASHVILLE, Tenn. — Joseph D. Tober, a human resources specialist with the regional CPAC in Chicago, and Phyllis Williams, a human resources specialist with the U.S. Army Corps of Engineers Detroit District, work on ideas for customer service improvement during a Customer Service Improvement Project and Supervisors Conference, Aug. 7, 2012. The conference was comprised of human resources personnel throughout the U.S. Army Corps of Engineers Great Lakes and Ohio Rivers Division.