Monitor (warship)
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A monitor is a type of small warship that is neither fast nor strongly armored but carries disproportionately large guns. Monitors were used by some navies from the 1860s, during the First World War a
USS Monitor, the first monitor (1861)
HMS Marshal Ney used a surplus 15-inch gun battleship turret.
Officers of a Union monitor, probably USS Sangamon, photographed during the American Civil War
Huáscar anchored in the harbour at Talcahuano
River monitor
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River monitors are military craft designed to patrol rivers. They are normally the largest of all riverine warships in river flotillas, and mount the heaviest weapons. The name originated from the US
Monitor (warship)
…during World War I. The Lord Clive vessels were scrapped in the 1920s. The term "monitor" also encompasses the strongest of riverine warcraft, known as river monitors. During the Vietnam War these much smaller craft were used by the United States Navy. The Brazilian Navy's Parnaíba and the Romanian Navy's three Mihail…
Model of USS Monitor
The Civil War era river monitor Neosho
A Mobile Riverine Force monitor using napalm in the Vietnam War
The river monitor Sava (formerly Bodrog) fired the first shots of World War I. She is now a floating museum anchored along the Sava river in Belgrade, Serbia