Jesuit High School's student robotic team will defend its 2013 underwater championship title at the end of this month in Michigan. The 13th annual Marine Advanced Technology competition for remotely operated vehicles will be held at the Thunder Bay National Marine Sanctuary. Thunder Bay is on the shores of Lake Huron, but the competition will be in a research pool at the sanctuary, said Ben Byers, student media director and a member of the 20-person team. The team won the competition last summer…