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Posted by Lars Scharff on April 13, 2018, 8:23:58, in reply to "Yeah...shame our own Navy can't do it for free..."
How you would use navigation training to film the wrecks? For this specialised ROVs are needed and ships, which can deploy those.
I would also expect the echosounder on Petrel to be superior to detect wrecks compared to a anti-submarine sonar.
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