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For the record

  • Who: Parnaíba

  • What: Last monitor in active service

  • Where: Brazil

Monitor class warships are named for the first of their class, USS Monitor, commissioned in 1862. They are slow, heavy and characterised by a low profile and single main turret. The Brazilian Navy’s riverine monitor Parnaíba (U-17) was commissioned in 1937 and is still in active service.


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