Science and Technology · Defense & Naval Technology
Sonobuoys, sometimes seen in the context of naval surveillance, are best described as:
- 1satellite-linked emergency beacons meant exclusively for merchant shipping distress communication
- 2floating radar arrays used for long-range detection of hostile aircraft over sea
- 3autonomous submersible platforms designed mainly for seabed mineral extraction
- 4expendable acoustic devices deployed in water to detect, process or transmit information on underwater sounds✓
Correct answer
expendable acoustic devices deployed in water to detect, process or transmit information on underwater sounds
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