Coast Guard Petty Officer 2nd Class Noah Weigand, a damage controlman with the Pacific Strike Team, Petty Officer 3rd Class Charles Long, a Sector Juneau marine science technician, and Petty Officer 3rd Class Craig Bennett, a Sector Anchorage marine science technician, give a demonstration on diking, damming and diversion tactics as part of the oil spill response seminar in Bethel, Alaska, July 25, 2018. The demonstration showcased a few of the methods that can be used in response to an oil spill. U.S. Coast Guard photo by Petty Officer 3rd Class Lauren Dean.