MYRTLE GROVE, La. - Coast Guard Petty Officer 1st Class Jonathan T. Mayfield, a gunners mate with Coast Guard Maritime Safety and Security Team New Orleans, gives pre-fire instruction to MSST members, July 21, 2010. Requalification on the 12-guage shotgun is required every six months to maintain qualifications. U. S. Coast Guard photo by Petty Officer 3rd Class Casey J. Ranel.
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