USOA is a national organization of recreational divers focusing on safety, legislation, marine/aquatic ecology, underwater sports. USOA is USA's national governing body (NGB) for the underwater sports of fin swimming, underwater hockey, underwater rugby, skindiving and spearfishing. USOA is a founder of the Women Divers Hall of Fame. USOA is a member of USOPC, CMAS, and DEMA.
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