![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/COGOG-diagram.png/640px-COGOG-diagram.png&w=640&q=50)
Combined gas or gas
Marine propulsion system / From Wikipedia, the free encyclopedia
Combined gas or gas (COGOG) is a propulsion system for ships using gas turbine engines.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/9/94/COGOG-diagram.png/320px-COGOG-diagram.png)
Combined gas or gas (COGOG) is a propulsion system for ships using gas turbine engines.