# Project 1036 — TETRA

**Program element:** 0604028N — Small/Medium Unmanned Undersea Vehicles  
**Project:** 1036  
**Component:** U.S. Navy  
**Appropriation:** 1319 — RDT&E, Navy  
**Budget Activity:** 4 — Advanced Component Development & Prototypes  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604028N/1036  
**Parent:** https://hitchintel.com/programs/0604028N

## Summary

Project 1036 — TETRA requests $13.9M in FY2027, 56% of the $24.6M requested for program element 0604028N — a restart: funded in FY2025, zeroed in FY2026, funded again now. 2 R-2A activities decompose the request, 2 restarted this cycle. NIWC PAC is the largest named R-3 performer at $4.8M, 35% of the project's FY2027 R-3 total.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 5.3 |
| FY2026 | Enacted | 0.0 |
| FY2027 | Request | 13.9 |
| FY2028 | Outyear | 8.8 |
| FY2029 | Outyear | 9.5 |
| FY2030 | Outyear | 9.8 |
| FY2031 | Outyear | 10.0 |

> Estimate types are not summed. This project is one leaf of PE 0604028N; the PE total is the sum of its projects, never added to them.

## What project 1036 buys

The FY 2026 budget for PU1036 / TETRA program included $0 of discretionary funding and $32,000k of mandatory funding for a total of $32,000K. The mandatory funds supported the development of Lanternfish - a deep Remotely Operated Vehicle (ROV) supporting Subsea Seabed Warfare (SSW) mission areas. Funding also supports the continuation of the TETRA ROV. TETRA funding supports additional payload design and integration, as well as supporting documentation for platform integration. Bootstrap funding was allocated for system improvement and continued testing. (U) The TETRA program is a continuation of efforts, realigned from Program Element (PE) 0604029N (UUV Core Technologies) Project Unit (PU) 4053 (UxS Platform) to PE 0604028N (Small/Medium Unmanned Undersea Vehicles) PU 1036 (TETRA) in FY25, and also includes payload development addressing emergent operational requirements. The large increase in FY27 is due to increased Fleet requirements for the systems. (U) This is the sole project unit that enables deployment of TETRA, which is an operationally relevant Remotely Operated Vehicle (ROV) that is launched, and recovered, from submarine torpedo tubes. TETRA is a ROV with the capacity for multiple mission payloads as a key enabler to Subsea Seabed Warfare (SSW) to locate, identify, and provide real-time payload employment to effect objects of interest as identified in the SSW Initial Capabilities Document (ICD). As a tethered system, TETRA will provide real-time operational data back to the platform and enable man-in-the-loop intervention to maximize the efficiency of a sortie. Experimentations will be conducted with Unmanned Undersea Vehicle Squadron One (UUVRON ONE), Special Reconnaissance Team - 2 (SRT 2), and Naval Special Warfare Group 8 (NSWG 8) utilizing government test events, lake testing, and barge tests to provide Fleet and acquisition stakeholders with relevant payload and vehicle employment to inform Concept of Operations (CONOP) and fielding decisions using platforms of opportunity. (U) This project line is utilized for the development, and integration, of payloads into the TETRA ROV. Funding is also required to begin integration into Submarine Warfare Federated Tactical System (SWFTS) to reduce TETRA's stowage footprint.

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

## Named R-3 performers

| Performer | $M | Share of this project's FY2027 R-3 total |
|---|---|---|
| NIWC PAC | 4.8 | 35% |
| OII | 4.0 | 29% |
| Leidos | 3.2 | 23% |

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

## Activities (R-2A) — 2

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| Product Development | 5.3 | 0.0 | 13.8 | restart | [a0](https://hitchintel.com/programs/0604028N/1036/a0) |
| Test & Evaluation | 0.0 | 0.0 | 0.1 | restart | — |

> 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.

### Product Development — RESTART

(U) Continued support for installation planning and execution for a TETRA mission. Supporting offload from first TETRA mission. Continuing to investigate west-coast laydown areas to support urgent fleet capability needs as more TETRA Shipsets become available. (U) TETRA will continue to develop, build, integrate, test, and create…

Full year-by-year narrative: https://hitchintel.com/programs/0604028N/1036/a0

### Test & Evaluation — RESTART

**FY2027 planned work.** (U) Continued testing support for TETRA efforts on tactically representative support crafts and test fixtures

**FY2026 to FY2027 change.** The increase from FY26 to FY27 is due to need for testing for TETRA efforts.

**FY2026 plans — current year.** (U) Continued testing support for TETRA efforts on tactically representative support crafts and test fixtures

## 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/0604028N.

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 0604028N project 1036 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0604028N")`.

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