Over a decade ago, the U.S. Coast Guard rescued three men in the Gulf of Mexico who had been fishing for grouper when their boat capsized. In order to survive, they had to tread water for 18 hours.

A fearless father jumped off a Disney cruise ship when his daughter fell overboard -- miraculously getting hold of her and then treading water for around 20 minutes before they were both rescued.

A fearless father jumped off a Disney cruise ship when his daughter fell overboard — miraculously getting hold of her and then treading water for around 20 minutes before they were both rescued.