# MK 54 Pre-Planned Product Improvement

**R-2A activity** of project 2234 — Lightweight Hybrid Torpedo  
**Program element:** 0604610N — Lightweight Torpedo Development  
**Component:** U.S. Navy · **Budget Activity:** 5  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604610N/2234/a0  
**Parent:** https://hitchintel.com/programs/0604610N/2234

## Summary

This activity requests $12.4M in FY2027, 100% of project 2234, up 144% 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.** -Continue APB 6 (INC 2) software development and Engineering Testing. -Continue APB 6 (Hammerhead) software development and testing in support of field early operational capability (EOC). -Continue platform integration of APB 6 (INC 2) with launch platforms (P-8A, MH-60R, CRUDES). -Continue addressing emergent and stop gap capability needs (TDHK).

**FY2026 to FY2027 change.** The overall increase of $7.293 million from FY 2026 to FY 2027, due to reduced FY2026 funding from Reconciliation Incongruence adjustment

## Before the request year

**FY2026 plans — current year.** -Continue APB 6 (INC 2) software development and Engineering Testing. -Complete APB 6 (Hammerhead) software development and field early operational capability (EOC) -Continue platform integration of APB 6 (INC 2) with launch platforms (P-8A, MH-60R, CRUDES). -Continue addressing emergent and stop gap capability needs.

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 13.4 |
| FY2026 | Enacted | 5.1 |
| FY2027 | Request | 12.4 |

> 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.

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibit R-2A, PE 0604610N project 2234 (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.*