Australian swimmer Chloe McCardel adjusts her earplugs as a man applies a protective ointment on her skin as she prepares to jump into the water and start her swim to Florida from Havana, Cuba, Wednesday, June 12, 2013. The Australian endurance athlete is hoping to become the first person to swim from Havana to Florida without a protective shark cage. McCardel says she expects to spend about 60 hours in the sea before reaching the Florida Keys, a little more than 100 miles to the northeast. (AP Photo/Ramon Espinosa)

Associated Press
Australian swimmer Chloe McCardel adjusts her earplugs as a man applies a protective ointment on her skin as she prepares to jump into the water and start her swim to Florida from Havana, Cuba, Wednesday, June 12, 2013. The Australian endurance athlete is hoping to become the first person to swim from Havana to Florida without a protective shark cage. McCardel says she expects to spend about 60 hours in the sea before reaching the Florida Keys, a little more than 100 miles to the northeast. (AP Photo/Ramon Espinosa)
Australian swimmer Chloe McCardel adjusts her earplugs as a man applies a protective ointment on her skin as she prepares to jump into the water and start her swim to Florida from Havana, Cuba, Wednesday, June 12, 2013. The Australian endurance athlete is hoping to become the first person to swim from Havana to Florida without a protective shark cage. McCardel says she expects to spend about 60 hours in the sea before reaching the Florida Keys, a little more than 100 miles to the northeast. (AP Photo/Ramon Espinosa)
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