Petty Officer 3rd Class Zacharie Howell, a boat crew member, practices tossing a heaving line to a simulated vessel in distress, at the Coast Guard’s National Motor Lifeboat School, March 14, 2014. Future surfmen in the NMLBS Heavy Weather Coxswain course learn to conduct a variety of search and rescue techniques in relatively calm water first, before later mastering them in the most challenging and dangerous surf conditions.