SONAR SEARCH U.S. Navy Petty Officer 2nd Class Francis Elevado, left, and U.S. Navy Chief William Stanford enter coordinates for areas to search using a towfish sonar device from the littoral combat ship USS Fort Worth’s rigid hull inflatable boat crew as they support the Indonesian-led search efforts for Air Asia Flight 8501 in the Java Sea, Jan. 4, 2015. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 495023-M-XTH76-674.jpg Photo Gallery