USS Indianapolis Wreckage Located
historically relevant resources and products that reflect the Navy's unique and enduring contributions through our nation's history, and supports the fleet by assisting with and delivering professional research, analysis, and interpretive services. NHHC is composed of many activities including the Navy Department Library, the Navy Operational Archives, the Navy art and artifact collections, underwater archaeology, Navy histories, ten museums, USS Constitution repair facility and the historic ship Nautilus.  
Navy Surveys North Sea for Links to the Toughness of its Past
historically relevant resources and products that reflect the Navy's unique and enduring contributions through our nation's history, and supports the fleet by assisting with and delivering professional research, analysis and interpretive services. NHHC is composed of many activities including the Navy Department Library, the Navy Operational Archives, the Navy art and artifact collections, underwater archeology, Navy histories, ten museums, USS Constitution repair facility and the historic ship Nautilus
Marine Industry Employs Boat Towed Detectors
track of the boat as it moves over the search area, the detector’s readout data, and position coordinates. The operator can input layback into the computer, the distance between the boat and the towfish, and an algorithm calculates the GPS position of the towfish. In South America the Peruvian Navy’s Department of Oceanography, Hydrography, and Navigation is using several of Fishers Proton 4 magnetometers. Conditions in the world’s oceans are constantly changing which requires continuous surveying, charting and mapping. This department compiles a vast array of hydrographic information