BARROW, Alaska - Petty Officer 2nd Class Ryan Sayers, the lead ice instructor for Coast Guard Station/Aids-to-Navigation Team Saginaw River, demonstrates the use of a sling on Master Chief Petty Officer Gerald Backus, officer-in-charge of STANT Saginaw River, at the Barrow High School pool April 6, 2012. The sling was one of many tools Coast Guard District 9 ice rescue personnel brought to Alaska for cross training with local search and rescue workers. U.S. Coast Guard photo by Petty Officer 3rd Class Grant DeVuyst.