21-in Mark II Torpedo (UK)

R.G.F. Torpedoes Mark I and II, 1909

The 21-in R.G.F. Mark II Torpedo was a British torpedo developed at the Royal Gun Factory and first ordered for service in 1909-1910.^{[Citation needed]}

Development and History

It was developed in parallel with the Mark I torpedo, which was shorter.

Manufacture and Use

In 1909-1910, 4 hook bracket torpedoes were ordered.^{[Citation needed]}