The term boghammar, sometimes spelled boghammer, has also come to mean an improvised naval fighting vessel, typically used by a local irregular military force and usually being a modified civilian boat or other similar machine.
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Boghammars, in this sense, have been used by paramilitary forces to attack offshore oil platforms and civilian shipping, or even larger military vessels, most notably by Iran in the Tanker War.
Boghammar Marin AB is a small family-owned company on Lidingö, Sweden that specializes in the construction and building of aluminium boats like fast patrol boats, police boats, passenger vessels, sea fisheries/protection vessels and so on.