BERING SEA - Coast Guard Petty Officer 1st Class Sam Jones, a damage controlman, practices his welding technique while underway aboard the Coast Guard Cutter Bertholf May 18, 2011. Damage controlmen are charged with various repairs and fabrications on the ship and are experts in emergency repairs to keep the cutter afloat. U.S. Coast Guard photo by Petty Officer 3rd Class Charly Hengen.
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