Petty Officer 3rd Class Amanda Barnett, a marine science technician at Coast Guard Sector Anchorage, and Edward Fleming, a member of Northwest Arctic Borough Search and Rescue, prepare lines and anchor before deploying a containment boom in Kotzebue, Alaska, June 24, 2015. The containment boom was deployed during an exercise to simulate an oil spill in Kotzebue Sound. (U.S. Coast Guard photo by Petty Officer 2nd Class Grant DeVuyst)