National Geographic Magazine's Brian Skerry and pro photographers Keri Wilk, Jason Bradley and David Fleetham headline new set of celebrity judges for the Underwater Competition Series.
World Wide Dive & Sail, Poseidon and PADI are offering a chance to win a rebreather unit from Posiedon, PADI Rebreather course and 10-night Liveaboard trip for 2 on any Siren Fleet in 2013