Petty Officer 1st Class Alexis Lopez demonstrates various techniques on how to use an ice rescue sling on Petty Officer 2nd Class Emily Berube, as part of a classroom training session in Kotzebue, Alaska, March 18, 2019. A specialized ice rescue team from the Great Lakes traveled to the Arctic to teach and train Seventeenth District Coast Guard members and the Kotzebue Fire Department members to increase their response capabilities. U.S. Coast Guard photo by Chief Petty Officer Matthew Schofield.