Answer: SONARS

AnswerCrossword Clue
SONARSDevices on destroyers
sonarsSONAR, an underwater locating device
sonarsmethod or apparatus for detecting objects in water by means of sound waves
SONARSThey make waves in the ocean
SONARSUnderwater detection systems
SONARSUnderwater detection instruments
SONARSNaval instruments
SONARSUnderwater sound detectors
SONARSSub-detecting systems
SONARSFinding things?
SONARSSubmarine detection systems
SONARSSub detectors
SONARSNavigational tools
SONARSUndersea trackers
SONARSAnti-sub devices
SONARSSound devices.
SONARSSubmarine "ears."
SONARSSub-detecting devices.
SONARSEcholocation devices
SONARSSub systems
SONARSSub finders
SONARSEcho sounders
SONARSSearching systems
SONARSEcholocation methods