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. Maritime Disruption 2017 exercised the CANUSLAK agreement and regional contingency plans. (U.S. Coast Guard photo by Petty Officer 2nd Class Christopher M. Yaw)