HALF MOON BAY, Calif. -- Petty Officer Third Class Maxwell Kaczmarek, an aviation survival technician stationed at Air Station San Francisco, shows a group of commercial fishermen how to operate a portable dewatering pump during a presentation for a commercial fishing boat safety class at Half Moon Bay Airport in Half Moon Bay, March 19, 2012. The Alaska Marine Safety Education Association with the support of the Coast Guard is holding a two-day workshop to help industries to meet new training requirements and regulations. Coast Guard photo by Petty Officer Third Class Caleb Critchfield.