Today's battle is the challenge of the Thermal Suites.    The Epic was the first mega Thermal Suite. Located aft with a outdoor sun deck, coed and unisex saunas and steam rooms, large relaxation rooms, and coed saunas with large windows looking out at the sea.    Breakaway and Getaway came next, installed over the bridge provided partial forward views. They introduced the salt baths. But the saunas moved to the interior.    The Escape kept the forward position right