The U.S. Army Engineer Research and Development Center (ERDC) recently honored Dr. David W. Pittman, Senior Executive Service (SES), in a retirement ceremony to recognize his 38 years of federal service. Hosted by Maj. Gen. Kimberly Colloton, Deputy Commanding General of the U.S. Army Corps of Engineers (USACE), the ceremony paid tribute to Pittman’s leadership, vision and commitment to advancing engineering and research excellence for the Army and the nation.