An eight-member team from Mobile Diving and Salvage Unit (MDSU) 1 onboard USS Fort Worth (LCS 3) is supporting the ongoing Indonesian-led search effort for AirAsia flight QZ8501 with advanced Tow Fish side scan sonar systems capable of providing high-resolution images of the ocean floor. The Tow Fish side scan sonar system is used to identify objects on the seafloor and provide accurate imagery for analysis. The sonar carries a passive listening device for detecting an acoustic pulse and is towed behind a vessel between 1-5 knots.