Burt Moore, chief of navigation for the U.S. Army Corps of Engineers Savannah District, talks with Col. Thomas J. Tickner, commander of the Corps' Savannah District, during a survey vessel tour of the Savannah harbor Aug. 19. Right is Peggy O'Bryan, chief of the Operations Division. The Savannah District is responsible for operating and maintaining the Savannah shipping channel and is the lead federal agency for the Savannah Harbor Expansion Project.