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For the past eight years, the U.S. Army's Sniper School at Fort Benning, Ga., has hosted the International Sniper Competition| where elite two-man teams compete to earn the coveted title of "top sniper." In this grueling competition, the participants' precision, camouflage, stalking and observational skills are put to the ultimate test. Eighteen challenging events examine the t...。It's over 500,000 square miles of rumored mysteries. In reality, the Bermuda Triangle may be filled with something even more incredible - Sharks. Marine Biologist Dr. Austin Gallagher is searching for the holy grail of shark research - the secret breeding grounds of tiger sharks, and he's hoping one special shark can lead him to it.。