WASHINGTON -- Lt. Gen. Thomas P. Bostick, U.S. Army Corps of Engineers commanding general (center), stands with his wife, Renee (left), and Gen. Lloyd J. Austin III, U.S. Army vice chief of staff (right), after officially assuming duties as the U.S. Army Corps of Engineers commanding general and chief of engineers during a ceremony at Fort Lesley J. McNair, May 22, 2012.