Capt. Martin L. Malloy relieved Capt. Byron L. Black as commander of Coast Guard Sector Upper Mississippi River in an official change-of-command ceremony in St. Louis, July 11, 2014. The change-of-command ceremony is a time-honored tradition and deeply rooted in Coast Guard and Naval history. The event signifies a total transfer of responsibility, authority and accountability for the command. (Photo courtesy of Bill Coby)