Glenn van Zutphen speaks to diver Lance Horowitz, on how he and a team recently found the WWII USS Grenadier submarine in the Malacca Straits after it was missing for over 77 years.

Glenn van Zutphen speaks to diver Lance Horowitz, on how he and a team recently found the WWII USS Grenadier submarine in the Malacca Straits after it was missing for over 77 years.