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Discussion (3 Comments)Read Original on HackerNews

BobbyTables2•about 2 hours ago
Surely MacGuyver did this with a speedboat, shoelace, and some dynamite 40 years ago!
the_real_cher•about 1 hour ago
Its like a torpedo or missile just slower and visible.
jerlam•about 1 hour ago
Longer range (1000 miles) than a torpedo (50 miles). Much less visible than a cruise missile, the water hides it better than open air.