Stepping back in time… @fraziernivensoceanimaging “You can now dive a piece of diving history in Key Largo the legendary U.S. Navy Mark V helmet and dress, the same rugged rig used by Navy divers from 1916 to the 1980s.” “This footage in dramatic black-and-white to honor its heritage, this dive with Trident Surface Supplied Diving brings vintage deep-sea exploration roaring back to life. The weight. The air line. The bubbles. The unmistakable silhouette.” “This is hard-hat diving the way it was