# ESSM System Integration and Test

**R-2A activity** of project 0173 — NATO Sea Sparrow  
**Program element:** 0604756N — Ship Self Def (Engage: Hard Kill)  
**Component:** U.S. Navy · **Budget Activity:** 5  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604756N/0173/a0  
**Parent:** https://hitchintel.com/programs/0604756N/0173

## Summary

This activity requests $16.1M in FY2027, 32% of project 0173, down 39% 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.** Enterprise testing continues in FY 2027 using both ESSM Blk 1 and 2. WIT is planned on FORD and AMERICA class platforms, as well as backfit NIMITZ and WASP classes. Platform DT/OT continues, as well as an ESSM Blk 2 OT event on SDTS. ESSM Blk 2 IOT&E finishes on Arleigh Burke Class DDGs. Modeling and Simulation runs for the record are also planned to be executed and reported to Operational Test and Evaluation Force (OPTEVFOR). Support for Aegis CP24 (TEMP 1669) and DDG Flt III testing continues in FY 2027.

**FY2026 to FY2027 change.** Decrease of funding in FY 2027 amounts are caused by the procurement of targets in FY 2026.

## Before the request year

**FY2026 plans — current year.** Enterprise testing starts in FY26 using both ESSM Blk 1 and 2. Waterfront Integration Testing (WIT) will be planned and conducted on the Self Defense Test Ship, CVN 79, and LHA 8 (using the MK-29 Min Mod configuration) as well as DT/OT live fire events supporting both platform level and combat system level testing. Aegis BL 10 testing continues with multiple events. ESSM Blk 2 IOT&E Phase 2 begins on Arleigh Burke Class DDGs in FY26. Testing will include WIT and multiple live fire events on multiple platforms. A total of 14 targets, with modifications, to include range support will be procured to support these events and events in early FY 2027. Threat model development also occurs in FY26 to be included in lethality assessment required by DOT&E.

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 11.8 |
| FY2026 | Enacted | 26.1 |
| FY2027 | Request | 16.1 |

> 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 0173

- [Adaptable Deck Launcher (ADL)](https://hitchintel.com/programs/0604756N/0173/a5) — FY2027 31.5
- NATO SEASPARROW Tracker-Illuminator System (TIS) Development — FY2027 1.2
- ESSM Technology Roadmap Analysis & Prototyping Support — FY2027 0.6
- Other Development — FY2027 0.5
- ESSM Blk 2 Software Upgrades — FY2027 0.0

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibit R-2A, PE 0604756N project 0173 (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.*