Explorer Victor Vescovo Uses A New Sub To Explore All Five Oceans | Expedition Deep Ocean 

Explorer Victor Vescovo has set himself and his team a goal to explore unchartered depths of all five oceans. The key to success is an ambitious mind and the latest technology.
From season 1 episode 1.
Subscribe to Discovery Australia for more great clips: bit.ly/Discove...
Like Discovery Australia on Facebook: / discoverychannelau