Main Page | See live article | Alphabetical index The Spearfish torpedo is the heavy torpedo used by the submarines of the Royal Navy. It provides both anti-submarine warfare (ASW) and anti-surface ship warfare (ASuW) capability. General Characteristics Speed: 120-130 kilometers per hour (65-70 knots) Range: 54 kilometers (30 nautical miles) at low speed, 23 kilometers (12.5 nautical miles) at high speed Length: 7 meters (23 feet) Diameter: 533mm (21 inches) Weight: 1850 kilogram (4075 pounds) Warhead: 300 kilograms (660 pounds) directed energy Power Plant: Sundstrand gas-turbine Fuel: Otto fuel Guidance System: Wire guided with active terminal homing sonar First Deployed: 1992 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.