Col. David Caldwell assumed command of the U.S. Army Corps of Engineers, New York District, at a change of command ceremony held June 8, 2015. (l-r) Col. Paul Owen, (outgoing Commander); Col. William Graham, Change of Command Presiding Officer, Commander, North Atlantic Division; Col. Caldwell, (incoming Commander); and Mr. Joseph Seebode, Deputy District Engineer for Programs and Project Management.