During an intense two-day period, Coast Guard diving teams recover downed light towers from East Rockaway Inlet and Jones Beach Inlet. Both lights were destroyed during Hurricane Sandy. The divers used the Dual-Frequency Identification Sonar Diver Held unit, a handheld sonar device connected to a pair of goggles that attach to the diver’s face mask. The unit produces a 3D image with a range of up to 100 feet underwater in zero visibility conditions. This unit increased efficiency and productivity by using less time and manpower while performing this search and recovery mission.