# Project 4032 — NAV/COMMS

**Program element:** 0204229N — Tomahawk Mssn Planning Ctr  
**Project:** 4032  
**Component:** U.S. Navy  
**Appropriation:** 1319 — RDT&E, Navy  
**Budget Activity:** 7 — Operational System Development  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0204229N/4032  
**Parent:** https://hitchintel.com/programs/0204229N

## Summary

Project 4032 — NAV/COMMS requests $7.5M in FY2027, 9.7% of the $76.7M requested for program element 0204229N, down 70% on FY2026. 1 R-2A activity decomposes the request. RTX / Raytheon is the largest named R-3 performer at $3.4M, 46% of the project's FY2027 R-3 total.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 17.1 |
| FY2026 | Enacted | 24.9 |
| FY2027 | Request | 7.5 |
| FY2028 | Outyear | 1.5 |
| FY2029 | Outyear | 1.2 |
| FY2030 | Outyear | 1.1 |
| FY2031 | Outyear | 1.1 |

> Estimate types are not summed. This project is one leaf of PE 0204229N; the PE total is the sum of its projects, never added to them.

## What project 4032 buys

TACTOM missile Navigation and Communications (NAV/COMMs) capability consists of a government furnished TACTOM radio, a government furnished crypto unit, and NAV/COMM specific test equipment. This capability enables the Tomahawk Weapon System (TWS) to utilize an Advanced Communications Architecture (ACA) network for secure tactical communications. The Tomahawk Weapons System (TWS) provides a deep strike land attack capability (Tomahawk Land Attack Missile (TLAM)) and can be launched from both surface ships and submarines via the Tactical Tomahawk Weapons Control System (TTWCS). The ACA Phase II will provide additional capability. Details available at a higher classification. The TACTOM Block V Integrated Single Box Solution (ISBS) radio redesign provides improved Communication (Comms) through the use of an improved software that will expand the platform's capabilities and avoids component obsolescence. The ISBS radio is utilized to send in-flight retargeting commands, employ "loiter" tactic, and transmit health and status.

**R-3 lines of work:** Product Development; Support; Test and Evaluation; Management Services.

## Named R-3 performers

| Performer | $M | Share of this project's FY2027 R-3 total |
|---|---|---|
| RTX / Raytheon | 3.4 | 46% |
| NAWC-AD | 0.9 | 12% |
| NAWCAD | 0.3 | 3.4% |

> Budget-justification contract funding, not obligations. Shares need not reach 100% — unnamed and government work is in the denominator.

## Activities (R-2A) — 1

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| NAV/COMMs | 17.1 | 24.9 | 7.5 | −70% | — |

> Activities carry the prior, current and budget year only — no five-year plan. In the request year they partition this project exactly; in earlier years they can under-cover it.

### NAV/COMMs

**FY2027 planned work.** Continue radio redesign development, complete Preliminary Design Review, prepare for the Critical Design Review and begin building engineering units to be delivered in FY 2028.

**FY2026 to FY2027 change.** Decrease in program funding from FY 2026 to FY 2027 is due to phasing of Radio Redesign contracted effort.

**FY2026 plans — current year.** NAV/COMMs planned activities for Radio Redesign include hardware and software development leading to Preliminary Design Review. Activities planned for improving TWS communications over the ACA network include building test assets, hardware and software development, conducting capability testing, as well as planning and preparation for flight tests in support of ACA Phase II.

## What is NOT on this page

Congressional marks, the R-2 mission description and acquisition strategy, the industry vs government split of the whole request, and related program elements are recorded at **program-element** grain — an NDAA mark lands on a PE, never on a project. They are at https://hitchintel.com/programs/0204229N.

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 0204229N project 4032 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0204229N")`.

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