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Other Procurement, BA 4 - U.S. Navy

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FY2006/2007 OSD/OMB Budget EstimatesLine ItemP-1 Item NomenclatureEnvironmental Support Equipment 8126 Environmental Support EquipmentEnvironmental Support Equipment:OCEANOGRAPHIC CENTRAL SUITE SURVEY WORKSTATION/STORAGE REPLACEMENTIntegrated Survey System (ISS)-60 is a hardware / software suite deployed on NAVOCEANO survey platforms to accommodate the collection, quality control,and preprocessing of oceanographic and geophysical data at or near the time of data collection. The central suite data acquisition and processing systemsinclude Unix workstations, PCs, network components and mass storage devices. Technology refreshment of these components is routinely required across allsurvey platforms to maintain existing survey capabilities and expand the capacity of the ISS-60 hardware suite to accommodate the acquisition, storage, andpreprocessing of data from new sensors deployed on NAVOCEANO survey assets. The ISS-60 System Integration Laboratory (SIL) provides a shore-basedcomponent of ISS-60 that is used for system testing, troubleshooting, new system and component integration testing, and training for survey personnel, systemadministrators, and field maintenance personnel. Hardware components in the ISS-60 SIL must also be routinely upgraded in order to maintain a similar testingand training environment to that found onboard the survey platforms. Funding also provides for software development and integration of new sensors into theISS-60 software suite. This effort includes the requirements review, design / integration review, factory / sea acceptance testing, programming, documentationand program reviews to support the release of a new version of ISS-60 each year. Although there has been an ongoing effort to maintain common configurationsand functionality across all survey platforms, rapid and continual changes in vendor product lines causes the hardware configurations to vary across theplatforms, especially if original components failed and were replaced. Failure to provide planned life cycle equipment replacements will increase the risk ofsystem failures that could jeopardize data collection, storage, and processing, and result in lost data and/or survey time; loss of configuration; increasedmaintenance time and cost; and increased training cost due to platform variability. Failure to provide software support for ISS-60 will jeopardize NAVOCEANO’sability to integrate new sensors into the core suite of software used to support data collection, storage, and processing.DEEP MULTIBEAM REPLACEMENTThe multibeam system will be a state-of-the-art commercial one by one degree multibeam having a maximum swath coverage of 6 times water depth. Themultibeam survey system includes an integrated deep water subbottom profiler system. Either a deep-water or mid-water multibeam will be installed on all T-AGS 60 class ships as a life-cycle replacement for the existing deep water multibeam system (EM121A). The EM121A has exceeded it’s life expectancy and willno longer be supported by the manufacturer. Multibeam systems are used by N4 to collect deep and mid-water bathymetry data. Bathymetry data is required tosupport special chart production for the <strong>Navy</strong>. If the deep-water multibeam systems are not replaced, the T-AGS 60 ships will lose the capability to support the<strong>Navy</strong>’s requirement for deep and mid-water bathymetry data products.FOCAL PLANE ARRAYThe extremely successful Hipparcos (European Space Agency) proved that significant advances in the field of Astrometry can result from making astrometricobservation from space. The Focal Plane Array has the capability to carry out astrometric observations at near-infrared wavelengths. It will provide a singlemeasurement for well-exposed stars between 1.2-2.2 microns and offer smaller atmospheric refractive distortions and measurement of objects which are noteasily detectable at optical wavelengths. This array accuracy will allow distance determinations to 2% or better. This OPN item is to purchase the focal planearray (detector) for a USNO-led space astrometry mission called AMEX.Exhibit P-40, Budget Item JustificationP-1 Shopping List - Itme No. 141Page 2 of 10

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