“Astro is a powerful and highly energetic swimmer, and has no fear of the waves," the dog's owner, Gene Michael Gore, tells PEOPLENEED TO KNOWAstro, a 2-year-old Golden Retriever, is training to help rescue swimmers in distress off the coast of South Padre Island in TexasOwner Gene Michael Gore, a surf instructor and lifeguard, tells PEOPLE that Astro has “no fear of the waves” and already helps with daily surf lessonsAstro recently spotted a sw…