Underwater detection system using sound waves.

Method for locating submerged objects or terrain.

Acoustic technology for mapping ocean floor structures.

Tool used in submarines and boats for navigation.

Device measuring distance through sound wave echoes.

Utilize sonar for underwater navigation.

Employ sonar to detect objects beneath water.

Apply sonar technology in marine exploration tasks.

Use sonar systems for mapping ocean floors.

Activate sonar equipment during search and rescue operations.