Dragonfly-class gunboat
The Dragonfly class was a class of twin shaft[2] river gunboats of the Royal Navy.Six were planned and five were built: of those five, four were lost in the Second World War.One of the four was HMS Scorpion, a slightly upgunned and better powered version.Later refitted with 3 20 mm guns and 20 depth charges.became a headquarters ship in 1944.