Along with the near-identical Ferret-class torpedo boat destroyers they were all disposed of in 1911/1912.

Velox was rated as a C class type in 1913, that is a 30-knot torpedo boat destroyer with three funnels.

In all, 351 torpedo boat destroyers and 100 other craft were equipped.

They have also been used in some early Naval torpedo boat destroyers.

The River class were a heterogeneous class of torpedo boat destroyers to various builders' designs.

The squadron was attacked by a flotilla of Japanese torpedo boat destroyers.

The specification called for a torpedo boat destroyer capable of 27 knots; the builders were largely free to design as necessary.

The class was contemporary with the early torpedo boat destroyers, which were faster and better suited to accompanying the battlefleet.

Yarrows built many torpedo boat destroyers at the yard.

Quickly made obsolete by the new torpedo boat destroyers, she became an experimental submarine target ship in 1906, and was sold in 1910.