U.S. Coast Guard Crew members from the Atlantic Strike Team, Sector Buffalo and Sector Detroit work together to place more than 1,200 feet of boom Aug. 22, 2017, during an exercise in the St. Lawrence Seaway in Clayton, New York. The exercise was part of Maritime Disruption 2017, an exercise designed to test the CANUSLAK agreement and regional response strategies. (U.S. Coast Guard photo by Petty Officer 2nd Class Christopher M. Yaw)