Keywords: arctic ocean sea ice seaice uscg usgs healy st-laurent stlaurent cutter coast guard coastguard outdoor The Canadian Coast Guard Ship Louis S. St-Laurent has a mechanical system that creates bubbles that rise to the surface and push ice away from the ship's hull. It also happens to churn the water into an amazing shade of blue. Date: 8/24/2009 Photo Credit: Patrick Kelley, U.S. Coast Guard The Canadian Coast Guard Ship Louis S. St-Laurent has a mechanical system that creates bubbles that rise to the surface and push ice away from the ship's hull. It also happens to churn the water into an amazing shade of blue. Date: 8/24/2009 Photo Credit: Patrick Kelley, U.S. Coast Guard |