It is a simulator/trainer of a submarine vessel used to explore seabed to search for different objects. There is a camera attached to this vessel and it's output can be seen on a monitor from where it is controlled.
This simulator contains the following features

• Different types of seabed
• Dynamic lighting from the vessels flood light
• Visibility change due to vessel's movement
• Dynamic visibility due to different types of seabed
• Animated objects like different fishes and etc.
• Accurate motion controllers of the vessel
• mathematical models for vessels movement due to different sea conditions (Underwater current, etc.)