Alder departs Duluth

The Duluth Coast Guard cutter Alder left today (above, November 29, 2010) to finish up their year’s work on Aids to Navigation before coming back in December to battle the Duluth Superior ice. Aids to Navigation are man-made objects used by mariners to determine their position on the water or to maintain a safe course. They include buoys, day beacons, lights (lighthouses), radio beacons, … [Read more...]