![Royal Navy Monitor HMS Marshal Ney underway with her twin 15 inch turret trained to starboard [1800x1860] : r/WarshipPorn Royal Navy Monitor HMS Marshal Ney underway with her twin 15 inch turret trained to starboard [1800x1860] : r/WarshipPorn](https://i.redd.it/anwqeiu5fqz91.jpg)
Royal Navy Monitor HMS Marshal Ney underway with her twin 15 inch turret trained to starboard [1800x1860] : r/WarshipPorn
![1280 x 805) Brazilian river monitor Parnaíba commissioned on 9 March 1938. She participated in the Second World War and is currently the world's oldest commissioned warship still in active service.She is 1280 x 805) Brazilian river monitor Parnaíba commissioned on 9 March 1938. She participated in the Second World War and is currently the world's oldest commissioned warship still in active service.She is](https://preview.redd.it/m24kxfja3dc71.jpg?width=640&crop=smart&auto=webp&s=e93984f8743691d89eb6a96431d17a47f56a2721)
1280 x 805) Brazilian river monitor Parnaíba commissioned on 9 March 1938. She participated in the Second World War and is currently the world's oldest commissioned warship still in active service.She is
![HMS Roberts (F40) was a British Royal Navy Roberts-class monitor-warship of WWII. She was the second monitor to be named af… | Warship, Royal navy ships, Royal navy HMS Roberts (F40) was a British Royal Navy Roberts-class monitor-warship of WWII. She was the second monitor to be named af… | Warship, Royal navy ships, Royal navy](https://i.pinimg.com/736x/c5/b7/55/c5b755ef661c85b6b83b88e5c90134c5.jpg)