(U)SURFACE SUPPORT
Abstract
The Surface Support RDT&E funding will be used for the research, design, development, integration testing, and documentation of the Inertial Navigation System (INS) AN/WSN-12 for all Navy ships and submarines. The INS provides mission critical ship position and attitude data to shipboard sensors (such as radars), combat and weapon systems. The INS uses data from the Global Positioning System (GPS) to periodically update (i.e., reset) its position and internal clock. The INS is the ship's primary position source in the absence of GPS, and it consists of an Inertial Sensor Module (ISM) and a Navigation Processing Module (NPM) that will provide a significant improvement with respect to attitude and velocity data over previous INS. RDT&E funding will support continued system design to create a baseline for Pre-Production Units (PPU), Low Rate Initial Production (LRIP), and Full Rate Production (FRP). To increase overall Navy cybersecurity efficiency, starting in FY24, the cybersecurity work will be executed by Situational Awareness Boundary Enforcement and Response-Navigation (SABER-NAV). SABER-NAV is the common codified solution that provides cyber situational awareness suite, intrusion detection/prevention, boundary defense, cross-domain solutions (CDS), and various host-level data protections. Military GPS User Equipment (MGUE) will provide assured Positioning, Navigation, and Timing (PNT) in a GPS degraded environment. Funding will be used for the development of interface and performance requirements, shipboard system architecture definition, and MGUE integration. Submarine Speed Sensors will provide investigation, development, testing and integration of new Own-Ship Speed sensors to address new capabilities, reduce detection, and improve reliability. Assured Positioning, Navigation, and Timing (APNT) funding will be used for Alternate GPS-independent sources of Positioning, Velocity, Attitude, and Timing (PVAT) data required to provide fire control solutions, ensure safety of navigation, and support aircraft and combat operations in a GPS degraded/denied environment. This effort provides a secure navigation method using the navigation resources being developed by Office of Naval research (ONR) Future Naval Capabilities (FNC) activity and Small Business Innovation Research (SBIR). Automated Celestial Navigation System (ACNS) funding will be used for the research, development, Engineering Development Model (EDM), documentation and integration testing of the celestial navigation solution for the NoGAPSS navigation implementation on the fleet. Efforts will leverage ONR celestial navigation research into a reproducible ruggedized system fully integrated into the navigation suite. After review, the Navigation as a Service (NaaS) initiative was defunded in FY23 due to higher priority Navy needs.
Document Details
- Document Type
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2025
- Source ID
- 0204228N_7_1319_PB_2025
- Change Summary Explanation
- The funding request was reduced by $2.282 million from FY 2024 to FY2025 due to amended program requirements. R-4 PROGRAM SCHEDULE CHANGES: AN/WSN-12: The development and testing timeline as well as the subsequent production timelines have been updated in FY23-FY25 to reflect the delay with initial shipboard demonstration due to external testing issues and integrated logistics support (ILS) immaturity. ACNS: The schedule has been updated based on the latest development and testing status which also reflects ship installation moving from Q1 FY25 to Q2 FY25 APNT: The schedule reflects the divestment of funding starting in FY24. NaaS: The schedule reflects the divestment of funding starting in FY23.
- Service Agency Name
- Navy
Entities
Organizations
- United States Navy
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