Schilling ROV (#1)

Schilling HD 5000m ROV – 48 Tons of Silver Recovered From 4,700 Meters; Heaviest, Deepest Haul Ever
In 2012, Odyssey Marine Exploration recovered a record-breaking haul of silver from the SS Gairsoppa, a British cargo ship sunk by a German torpedo during WWII. Odyssey used a Schilling HD 5000m ROV containing ESS syntactic foam.