User:Clyne 1x/Books/Royal Navy

Submarines

 * World War One
 * A-class submarine (1903)
 * British B-class submarine
 * British C-class submarine
 * British D-class submarine
 * British E-class submarine
 * British F-class submarine
 * British G-class submarine
 * British H-class submarine
 * British J-class submarine
 * British K-class submarine
 * British L-class submarine
 * British M-class submarine
 * British R-class submarine
 * HMS Swordfish (1916)
 * British V-class submarine (1914)