Members of U.S. Coast Guard Station Sault Ste. Marie, Mich., respond to a simulated plane crash during an ice-rescue exercise on frozen Lake Superior in Brimley, Mich., March 5, 2016. The Coast Guard, along with 26 other agencies, participated in the Twin Endeavor exercise on Waiska Bay. (U.S. Coast Guard photo by Petty Officer 3rd Class Joel Altman)