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The Royal Navy survey ship HMS Echo has investigated the wrecks of two ships that sank with a total of over 16,000 lives lost during World War II. Echo has been on ..

https://www.bairdmaritime.com/work-boat-world/specialised-fields/marine-research-and-training/maritime-archaeology/royal-navy-ship-surveys-two-wwii-wrecks-in-baltic-sea/