Australian Karen Smith , 49 , is trying to swim from Havana , Cuba , to the Florida Keys . She is making attempt without a shark cage or other equipment such as flippers or a wetsuit . but I am very excited . '' A Lycra suit provides her some protection from jellyfish , her husband says . A crew of 15 , including medical personnel and divers , is shadowing her .
Australian Karen Smith , 49 , is trying to swim from Havana , Cuba , to the Florida Keys . She is making attempt without a shark cage or other equipment such as flippers or a wetsuit . A Lycra suit provides her some protection from jellyfish , her husband says . A crew of 15 , including medical personnel and divers , is shadowing her .