Sonar
Marine Mammals and Sonar
- Sonar and Marine Mammal Fact Sheet [pdf]
- Marine Mammal Protected Act (MMPA) Authorizations
- Navy Sonar
Surveillance Towed Array Sensor System (SURTASS) Low Frequency Active (LFA)
- FAQs about SURTASS LFA Sonar [pdf]
- FAQs on Ocean Noise [pdf]
- Navy SURTASS LFA Website
- SURTASS LFA: Technical Background and Marine Mammal Scientific Research Presentation [pdf] [1.8 MB]