HANOVER, N.H. – Dr. Joseph L. Corriveau (left) takes the reins as he accepts the Cold Regions Research and Engineering Laboratory seal from U.S. Army Engineer Research and Development Center (ERDC) Director Dr. David W. Pittman (right) here May 15 ERDC Commander Col. Bryan S. Green (left rear) and out-going Director Dr. Robert E. Davis (right rear) were also key members of the transition ceremony.