War grave robbers: Inside a special helicopter mission for HMCS Montréal

As China increases its military presence in the highly disputed South China Sea, the Royal Canadian Navy's HMCS Montréal is in the region as part of “Operation Projection.” Mackenzie Gray has a Global News exclusive from the ship with a rare bird's eye view of a special mission involving one of the frigate's most valuable assets, and its unexpected discovery on the hunt for a sunken warship.