# Project 0742 — Sub Integrated Ant System

**Program element:** 0604280N — JT Tactical RADIO System (JTRS)  
**Project:** 0742  
**Component:** U.S. Navy  
**Appropriation:** 1319 — RDT&E, Navy  
**Budget Activity:** 5 — System Development & Demonstration  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604280N/0742  
**Parent:** https://hitchintel.com/programs/0604280N

## Summary

Project 0742 — Sub Integrated Ant System requests $44.9M in FY2027, 11% of the $409.3M requested for program element 0604280N, up 75% on FY2026. 7 R-2A activities decompose the request, 1 new this cycle.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 25.0 |
| FY2026 | Enacted | 25.7 |
| FY2027 | Request | 44.9 |
| FY2028 | Outyear | 37.0 |
| FY2029 | Outyear | 28.6 |
| FY2030 | Outyear | 28.3 |
| FY2031 | Outyear | 27.2 |

> Estimate types are not summed. This project is one leaf of PE 0604280N; the PE total is the sum of its projects, never added to them.

## What project 0742 buys

The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

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

## Activities (R-2A) — 7

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| UC Communications Network (TIMEly) | 3.1 | 10.1 | 17.7 | +76% | — |
| OE-538/BRC Antenna Group (OE-538) | 2.7 | 2.5 | 9.5 | +280% | — |
| Antenna Improvements | 3.5 | 5.3 | 5.5 | +5% | — |
| Submarine High Data Rate (SubHDR) | 0.0 | 0.0 | 4.5 | new | — |
| Advanced High Data Rate (AdvHDR) | 11.8 | 2.4 | 3.8 | +62% | — |
| Towed Buoy Antenna (AN/BRR-6/6B) | 3.8 | 5.3 | 3.7 | −31% | — |
| Submarine Communication Transmitter Buoy (SECT)(AN/BST-1) | 0.2 | 0.2 | 0.2 | −16% | — |

> 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.

### UC Communications Network (TIMEly)

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### OE-538/BRC Antenna Group (OE-538)

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### Antenna Improvements

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### Submarine High Data Rate (SubHDR) — NEW START

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### Advanced High Data Rate (AdvHDR)

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### Towed Buoy Antenna (AN/BRR-6/6B)

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

### Submarine Communication Transmitter Buoy (SECT)(AN/BST-1)

**FY2026 to FY2027 change.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

**FY2026 plans — current year.** The details of Program Element 0604280N, Project 0742 are classified SECRET//NOFORN and are submitted to Congress in the classified budget justification books.

## 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/0604280N.

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 0604280N project 0742 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0604280N")`.

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