CruiseCelebrity - Ship stabilizers (or stabilisers) are fins or rotors mounted beneath the waterline and emerging laterally from the hull to reduce a ship's roll due to wind or waves. Active fins
![Siemens Digital Industries Software solutions assist in the design of an innovative marine stabilizer system Siemens Digital Industries Software solutions assist in the design of an innovative marine stabilizer system](https://images.sw.cdn.siemens.com/siemens-disw-assets/public/5RpkpJ5TKI75KWYUMNObTB/en-US/brabant-engineering_brabant_engineering_77681_heroimage_1280x720_tcm27_61171.jpg?w=800&fit=max&q=60&dpr=1&auto=format)
Siemens Digital Industries Software solutions assist in the design of an innovative marine stabilizer system
Why don't modern warships use the same stabilization systems used on civilian cruise ships to keep themselves stable? - Quora
![Boat Stabilizers: Fins vs. Gyros (13 Questions Answered) - Learning Center | Imtra - Learning Center | Imtra Boat Stabilizers: Fins vs. Gyros (13 Questions Answered) - Learning Center | Imtra - Learning Center | Imtra](https://www.imtra.com/Portals/0/xBlog/uploads/2020/3/18/fin-gyro.jpg)