What project 1165 buys
The Undersea Warfare Project focuses on the advanced technology development of new capabilities that leverage the underlying applied research investments in Program Element (PE) 0602750N, Future Naval Capabilities (FNC) Applied Research. These advanced technology investments align to acquisition programs of record. Efforts include improvements to a broad range of undersea warfare capabilities, including undersea weapons, submarine acoustic sensing and signal processing systems, communications, electro-optics systems, signature management, training, and decision aids.
Project 1165 funding, FY2025–FY2031
Prior years are actuals, the budget year is the request, and the outyears are the FYDP plan. Estimate types are colored and never summed into one figure. Projects carry the full five-year plan; the activities inside them stop at the budget year.
| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 60.4 |
| FY2026 | Enacted | 53.9 |
| FY2027 | Request | 42.0 |
| FY2028 | Outyear | 26.5 |
| FY2029 | Outyear | 16.7 |
| FY2030 | Outyear | 0.0 |
| FY2031 | Outyear | 0.0 |
11 accomplishments / planned programs
The R-2A exhibit — the only level of the budget that describes work that has not happened yet. Activities carry the prior, current and budget year only, no five-year plan. Coverage is partial across the corpus, so count activities, never total them.
FY2027 planned work WASP - Wide Arc Swath Profiler - Continue the WASP FNC by finalizing the electronics design and beginning fabrication of the electronics for the WASP system. - Continue to fabricate ceramic array modules for the transmit and receive arrays. - Continue to assemble an initial set of full arrays. - Continue development of software for integration into the system and begin torpedo software development. - Continue to fabricate the preliminary WASP system for testing.
FY2026 to FY2027 change The small decrease from FY 2026 to FY 2027 does not represent a significant change to the investment in this FNC.
FY2026 plans — current year WASP - Wide Arc Swath Profiler - Initiate the WASP FNC by finalizing the electronics design and beginning fabrication of the electronics for the WASP system. - Fabricate ceramic array modules for the transmit and receive arrays. - Assemble an initial set of full arrays. - Develop software for integration into the system and begin torpedo software development. - Fabricate the preliminary WASP system for testing.
FY2027 planned work Alternative Hull Concepts (HULC) - Initiate development of advanced hull structural configurations. - Initiate material optimization experiments. - Initiate development of modeling and simulation tools to predict hull response.
FY2026 to FY2027 change The increase from FY 2026 to FY 2027 is due to the selection of this FNC to initiate in FY 2027 due to promising technology maturation from applied research investments previously made in BA 02 in 0602750N. This is not a new start.
FY2027 planned work Rough Neptune - Complete development of an imaging mast solution for single mast utilization. - Complete development of a modified High Data Rate (HDR) mast solution for the submarine HDR mast. - Complete development and integration of a phased array for High Data Rate HDR, Mine Countermeasure (MCM), and Multifunction Modular Mast (MMM) payloads. - Complete at sea tests with an MCM mast on a PACFLT asset. - Complete development, installation, and training for a watch-floor component in SUBPACFLT AOR. - Complete an at-sea demonstration with new data products via Radiant Valkyrie workstation.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to the planned ramp-down of development efforts as this FNC approaches completion in FY 2027.
FY2026 plans — current year Rough Neptune - Continue the Rough Neptune FNC by initiating development of an imaging mast solution for single mast utilization. - Start developing a modified High Data Rate (HDR) mast solution for the submarine HDR mast. - Continue development and integration of a phased array for HDR, Mine Countermeasure (MCM), and Multifunction Modular Mast (MMM) mast payloads. - Perform at sea tests with an MCM mast to validate CONEMPS and TTPs. - Develop, install, and train a watch floor component in the SUBPACFLT AOR and SUBLANTFLT AOR. - Conduct an at-sea demonstration with new data products via Radiant Valkyrie workstation.
FY2027 planned work VIRGINIA Improved Propulsion Bearing (VIPB) - Continue the VIPB FNC by completing full scale VIRGINIA Class bearing manufacture. - Complete planning and initiate bearing land-based testing. - Continue at-sea demonstration planning on VIRGINIA Class submarine. - Complete development of component and coupled shaft-line models.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to completing in FY 2026, most of the development associated with the manufacture of the full-scale VIRGINIA Class bearing and the component and coupled shaft-line models.
FY2026 plans — current year VIRGINIA Improved Propulsion Bearing (VIPB) - Continue full-scale VIRGINIA Class bearing manufacture and complete fabrication in 2027. - Initiate planning for bearing land-based testing. - Initiate at-sea demonstration planning for VIRGINIA Class. - Continue development of component and coupled shaft-line models.
FY2027 planned work Own Ship Acoustic Monitoring (OSAM) - Complete and conduct the final at-sea demo on a VIRGINIA Class submarine to verify the prototype monitoring system functions in an at-sea environment. - Complete and conduct analysis of final at-sea demo data to verify FNC performance criteria have been met. - Complete prototype vulnerability decision aid.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to the planned ramp-down of development efforts as this FNC approaches completion in FY 2027.
FY2026 plans — current year Own Ship Acoustic Monitoring (OSAM) - Continue the OSAM FNC by conducting analysis of the data collected during the FY25 at-sea demo on a VIRGINIA Class submarine to verify the monitoring system achieves performance objectives and to verify software functionality in an at-sea environment. - Finalize plans for a final at-sea demo on a VIRGINIA Class submarine, including the post-demo data analysis to validate system meets performance metrics. - Continue development of a prototype vulnerability decision aid.
FY2027 planned work Steels for Performance, Expanded Envelope, and Durability (SPEED) - Continue development of the mechanical and metallurgical testing plan for industrial-scale base material and weld consumables of 10Ni steel. - Continue testing for static and dynamic mechanical properties, metallurgical evolution, and corrosion behavior. - Continue testing for a range of material specifications based on shipyard fabrication process plans.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to a development plan that required large material purchases in the first year (FY 2026) to keep development and testing on track in the second year (FY 2027).
FY2026 plans — current year Steels for Performance, Expanded Envelope, and Durability (SPEED) - Initiate development of the mechanical and metallurgical testing plan for industrial-scale base material and weld consumables of 10Ni steel. - Initiate testing for static and dynamic mechanical properties, metallurgical evolution, and corrosion behavior. - Initiate testing for a range of material specifications based on shipyard fabrication process plans.
FY2027 planned work Next Generation Stern Area System (Next Gen SAS) - Complete the Next Gen SAS FNC by finishing laboratory tests to confirm Next Gen SAS software functionality for at-sea demo on a VIRGINIA class submarine. - Complete at-sea test of Next GEN SAS software on a VIRGINIA Class submarine to demonstrate a new SAS capability. - Initiate an analysis of data collected during the Next Gen SAS at-sea demonstration.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to the planned ramp-down of development efforts as this FNC approaches completion in FY 2027.
FY2026 plans — current year Next Generation Stern Area System (Next Gen SAS) - Continue the Next Gen SAS FNC by completing development of algorithms to provide new capabilities using Stern Area System hardware. - Complete laboratory testing to assess hardware performance with new algorithms, and to verify software and hardware integration. - Complete and conduct large-scale in-water test and data analysis to assess system performance. - Complete assessment and modification to VIRGINIA SAS software to incorporate new algorithms. - Initiate planning for an at-sea test of Next Gen SAS software on a VIRGINIA Class submarine to demonstrate a new SAS capability.
FY2027 planned work Multi-Material Propeller Prototype (M2P2) - Complete the M2P2 FNC by manufacturing the approved M2P2 multi-material rotor design (full-scale 3-blade/hub prototype) and deliver it to NSWC Carderock Div. for fatigue testing in a specially outfitted test facility for long term fatigue testing which will verify its structural integrity. - Complete fabrication of large-scale (1/3) rotors representing the M2P2 for testing on the Large-Scale Vehicle (LSV) model at the Acoustic Research Detachment (ARD). Complete test preparations at ARD including modifications to LSV. - Initiate and Conduct acoustic trials at ARD with large scale rotors representing both the approved M2P2 concept and a…
FY2026 to FY2027 change The increase from FY 2026 to FY 2027 is due to the initiation and conduct of acoustic trials at the Acoustic Research Detachment (ARD).
FY2026 plans — current year Multi-Material Propeller Prototype (M2P2) - Continue the M2P2 FNC by manufacturing the Navy approved multi-material rotor design (full scale 3-blade/hub prototype). Leverage building block components that are representative of multi-material features to evaluate mechanical assembly and reduce risks during full-scale manufacturing of the unique design. - Complete facility preparations and test plans in accordance with the NAVSEA approved qualification approach for testing the full-scale 3-blade/hub prototype and multi-material structural design. - Continue specification and fabrication of large-scale (1/3) rotors representing the M2P2 for testing on the Large-Scale Vehicle (LSV) model at the…
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to the completion of this FNC in FY 2026.
FY2026 plans — current year Gravity-Aided Inertial Navigation system (GAINS) - Complete the GAINS FNC by completing the preliminary design review. - Test updated/new hardware with integrated software for gravity algorithms to correct position fix and deflection of vertical. - Complete the Critical Design Review. - Continue Concept of Operation and implementation studies for a new mission profile. - Conduct integration and testing of a new gravimeter for the navigation subsystem on a test ship.
FY2026 to FY2027 change The decrease from FY 2026 to FY 2027 is due to the completion of this FNC in FY 2026.
FY2026 plans — current year Physical and Networking Layer Prototype (PNLP) - Complete system integration and in-water events. - Complete the final system demonstration for transition to the program of record.