# ENGINEERING CHANGES/CAPABILITY ENHANCEMENTS AND BACK FIT

**R-2A activity** of project 3186 — Air and Missile Defense Radar  
**Program element:** 0604522N — Air & Missile Defense Radar (AMDR) System  
**Component:** U.S. Navy · **Budget Activity:** 5  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604522N/3186/a3  
**Parent:** https://hitchintel.com/programs/0604522N

## Summary

This activity requests $47.4M in FY2027, 49% of project 3186, up 95% on FY2026. The R-2A exhibit describes it across FY2026–FY2027, including what the FY2027 money is planned to buy.

## What the FY2027 request buys

**FY2027 planned work.** AN/SPY-6(V)4 Backfit: - Continue developmental testing at ARDEL in support of SPY-6(V)4 verification and functional assessment - Continue software defect correction and system engineering in support of integration with Baseline 10M Aegis Combat System and resolving defects discovered during testing - Continue modeling and simulation activities in support of testing and ship integration - Commence research and development transition of warfighting capability improvements including Agnostic Signal Processing for Increased Radar Efficiency (ASPIRE), Receive Only Cooperative Radar (ROCR), Radar Advanced Signal Processing (RASP), and Electronic Multi-Input Multi-Output Protection for Ensured Radar Effect (EMPIRE) Future Naval Capabilities (FNCs) plus Subarray Transmit Orthogonality for Receive Multiplexing (STORM) - Complete SPY-6(V)4 power and hardware integration testing ahead of installation on DDG 91 SPY-6 Enhancements: - Commence research and development transition of including Agnostic Signal Processing for Increased Radar Efficiency (ASPIRE), Receive Only Cooperative Radar (ROCR), Radar Advanced Signal Processing (RASP), and Electronic Multi-Input Multi-Output Protection for Ensured Radar Effect (EMPIRE) Future Naval Capabilities (FNC) Technology Deployment Agreements (TDAs) plus Subarray Transmit Orthogonality for Receive Multiplexing (STORM). - Conduct Non-linear Signal Processing development for enhanced electronic protection.

**FY2026 to FY2027 change.** Increase is due to: 1) transition of ASPIRE, ROCR, Radar Advanced Signal Processing (RASP), and EMPIRE Future Naval Capabilities, and 2) Subarray Transmit Orthogonality for Receive Multiplexing (STORM).

## Before the request year

**FY2026 plans — current year.** AN/SPY-6(V)4 Backfit: - Continue developmental testing at ARDEL in support of SPY-6(V)4 verification and functional assessment - Continue software defect correction and system engineering in support of integration with Baseline 10M Aegis Combat System and resolving defects discovered during testing - Continue modeling and simulation activities in support of testing and ship integration - Commence SPY-6(V)4 power and hardware integration testing ahead of installation on DDG 91 SPY-6 Enhancements: - Conduct retrofit and testing of Transmit/Receive Integrated Microwave Module (TRIMMS) with second source Radio Frequency (RF) Heads at the Radar Modular Assembly level. - Conduct software/firmware development for TRIMMS with RF Heads with High Efficiency High Power Amplifiers. - Continue updates and deliver radar simulation tools in support of Combat System and Enterprise Test Beds

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 38.6 |
| FY2026 | Enacted | 24.2 |
| FY2027 | Request | 47.4 |

> Prior, current and budget year only — an R-2A activity carries no five-year plan. It sums exactly into its project in the request year and not necessarily in any other.

## Other activities in project 3186

- [AN/SPY-6(V)1 DESIGN, SUPPORT, INTEGRATION, TEST AND EVALUATION (CONTRACTOR)](https://hitchintel.com/programs/0604522N/3186/a0) — FY2027 19.2
- [AN/SPY-6(V)2 and (V)3 DESIGN, SUPPORT, INTEGRATION, TEST AND EVALUATION (CONTRACTOR)](https://hitchintel.com/programs/0604522N/3186/a5) — FY2027 15.7
- AN/SPY-6(V)1 DESIGN, SUPPORT, INTEGRATION, TEST AND EVALUATION (GOVERNMENT) — FY2027 6.0
- AN/SPY-6(V)2 and (V)3 DESIGN, SUPPORT, INTEGRATION, TEST AND EVALUATION (GOVERNMENT) — FY2027 4.6
- PROGRAM MANAGEMENT — FY2027 2.6
- AN/SPY-6(V)1 TEST AND EVALUATION ASSETS AND FACILITIES — FY2027 1.1

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibit R-2A, PE 0604522N project 3186 (PB PB2027). Narrative is the government's own text.
- **No marks, no contractors at this grain** — congressional marks land on the program element and R-3 performers on the project.
- **MCP:** `mcp.hitchintel.com` — `budget_get_activity`.

*HitchAI is an independent intelligence service, not affiliated with the U.S. Department of Defense. Budget figures are requests/estimates, not obligations.*