Senator. Gary Peters and Lt. Cmdr Kit Pace discuss the work of the Great Lakes Center of Expertise during the center's opening celebration Aug. 24, 2022. The center, which examines the impacts of freshwater oil spills and their responses, is based at the Center for Freshwater Research and Education at Lake Superior State University in Sault Ste. Marie, with another office in Ann Arbor. U.S. Coast Guard photo by Chief Petty Officer John Masson.