Assertion: sonar | /r/CapableOf | detect other vessels
Facets:
value: under the surface of the water
type: LOCATION
Source sentences:
text: Sonar (sound navigation ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
text: Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.