# SSBN New Design — Program Element 0603595N

**Program element:** 0603595N  
**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/0603595N

## Summary

U.S. Navy funding ramps 19% to a $331.6M request in FY2027, before stepping down 70% across the five-year plan. In the FY2027 defense authorization, the House added 4.5% (to $346.6M); the Senate funded it in full; House appropriators added 2.3% (to $339.1M). Ship Design Contractor-EB leads the industry work.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 188.0 |
| FY2026 | Enacted | 278.3 |
| FY2027 | Request | 331.6 |
| FY2028 | Outyear | 345.1 |
| FY2029 | Outyear | 247.2 |
| FY2030 | Outyear | 142.3 |
| FY2031 | Outyear | 98.8 |

> Estimate types are not summed — the profile mixes actuals, enacted law, the request, and outyear projections.

## Congressional marks (FY2027)

| Stage | Marked ($M) | Change ($M) |
|---|---|---|
| Request | 331.6 | — |
| House NDAA (HASC) | 346.6 | +15.0 |
| Senate NDAA (SASC) | 331.6 | +0.0 |
| House Approps (HAC-D) | 339.1 | +7.5 |

> FY2027 NDAA authorization marks, as of 2026-07-27. Not appropriations or final law.

## Projects (4)

| Project | Title | FY2025 actual | FY2026 enacted | FY2027 request | Move |
|---|---|---|---|---|---|
| 3220 | COLUMBIA Class Submarine Development | 115.2 | 202.8 | 256.1 | +26% |
| 3441 | SBSD Technology Refresh | 48.6 | 45.8 | 53.5 | +17% |
| 3440 | SBSD Obsolescence | 21.3 | 19.1 | 22.0 | +15% |
| 9999 | Congressional Adds | 2.9 | 10.6 | 0.0 | −100% |

> Projects are the summable leaves: the program element total is their sum, never added to it.

### Project 3220 — COLUMBIA Class Submarine Development

The COLUMBIA Submarine Class Program (previously the OHIO Replacement Class) is developing the next generation sea-based strategic deterrent. The funding applies to the design, systems engineering, prototyping, and vendor qualification activities needed to execute the schedule for Common Missile Compartment (CMC) design, whole ship design, and component technologies development for the next generation U.S. ballistic missile submarine (SSBN). This RDT&E program supports cooperation with the United Kingdom (UK) to maintain strategic deterrence, based on a single effort to develop a CMC as agreed by the UK Secretary of State for Defense and the U.S. Secretary of Defense in 2009. At the COLUMBIA Program Semi-Annual Interim Progress Review (IPR) held on August 30, 2021, the USD (A&S) Milestone Decision Authority (MDA) directed COLUMBIA to be funded to the program baseline, including Integrated Enterprise Plan (IEP) funding as reflected in this budget submission. The COLUMBIA program strategy is to leverage the re-use of existing Submarine system designs (as applicable), focus on lifecycle Total Ownership Cost (TOC) affordability, and meet the military requirements established for this SSBN to achieve mission success in a challenging environment. The requested funding levels provide for the Technology Development, Design, Engineering, and Integration efforts necessary to support the COLUMBIA Class SSBN lead ship construction along with continued development and design support for construction of the class. A Contract Modification for ongoing design/advance construction efforts was awarded on 22 Jun 2020, which also included the Build I Option for the First Two Ships. This was a Pre-Priced Option for the two ships, SSBN 826 and SSBN 827, and associated design/support efforts. This was a modification of the current Integrated Product & Process Development (IPPD) contract (N00024-17-C-2117) and is in line with the program's approved Acquisition Strategy. The program received authorization of SSBN 826 in FY21 (funded with three years of incremental funding in FY21-23), SSBN 827 in FY24 (funded with two years of incremental funding in FY24-25), and is requesting SSBN 828 in FY26 (funded with two years of incremental funding in FY26-27). The RDT&E efforts support this plan. The following key activities support the COLUMBIA Class SSBN Program: 1.

**Named R-3 performers** (share of this project's FY2027 R-3 total, so they need not reach 100%)**:** Ship Design Contractor-EB (179.6, 70%), LMS (11.8, 4.6%), GDMS (1.2, 0.5%), SSP (0.6, 0.2%).

| Activity (R-2A) | FY2025 | FY2026 | FY2027 |
|---|---|---|---|
| Common Missile Compartment Design and Prototyping, and Whole Ship Design | 37.0 | 138.7 | 179.6 |
| NAVSEA R&D and Prototyping | 46.5 | 44.0 | 42.9 |
| Systems Engineering/Program Management | 31.6 | 10.6 | 18.2 |
| Strategic Weapons Systems Integration | 0.0 | 9.5 | 15.4 |

> R-2A activities carry the prior, current and budget year only — no five-year plan. Coverage is partial, so count them, never total them.

### Project 3441 — SBSD Technology Refresh

This project encompasses ship system development, coordination, and management efforts for the COLUMBIA Class Submarine Technology Insertion Program and Technology Refresh Program over the life cycle. The purpose of the Technology Insertion Program is to efficiently upgrade performance of all hulls by virtue of improvements in HM&E ship systems. The purpose of the Technology Refresh Program is to develop, coordinate, and manage technical refresh plans for ship systems reliant on Commercial off the Shelf (COTS) technology that have short product life cycles to ensure materiel solutions for obsolescence issues. Additionally, this project will support mitigation of obsolescence issues for HM&E components that are not included in systems that have not historically had a formal Tech Refresh plan. Technology development implementation and logistics for developmental items, and COLUMBIA Class test & evaluation for these items are also included. Testing of components and systems will be used to inform performance predictions for later ships in the class and determine if design changes are needed. Technologies developed in this program will be considered for applicability to the VIRGINIA Program for commonality opportunities. The thrust of these efforts will be to maintain required technical performance and materiel readiness of COLUMBIA SSBNs in order to support the Sea Based Strategic Deterrence (SBSD) mission.

**Named R-3 performers** (share of this project's FY2027 R-3 total, so they need not reach 100%)**:** NRL (3.5, 6.6%), WHS (3.4, 6.3%), Progeny (1.5, 2.8%), BAE (1.2, 2.3%).

| Activity (R-2A) | FY2025 | FY2026 | FY2027 |
|---|---|---|---|
| Hull, Mechanical, and Electrical Technical Refresh, Obsolescence Design, and Integration Efforts | 30.9 | 22.5 | 21.4 |
| Systems Engineering, Test and Evaluation | 17.8 | 23.2 | 32.1 |

> R-2A activities carry the prior, current and budget year only — no five-year plan. Coverage is partial, so count them, never total them.

### Project 3440 — SBSD Obsolescence

This project provides the engineering development and program management effort required to sustain Non-Propulsion Electronic Systems (NPES) outfitting of each ship of the COLUMBIA Class throughout the duration of the 12-ship construction program. Non-recurring engineering activity is required to ensure specification compliant components are available for procurement as fleet common sub-systems, which evolve over the life of the program due to either competitive selection of new suppliers, component obsolescence replacement, increased technical performance, or improvements in reliability. Non-recurring engineering activity is needed to perform platform integration of the components, and software modification to accommodate electronic data exchange, COLUMBIA unique submarine environment qualification, and update of all logistics products.

**Named R-3 performers** (share of this project's FY2027 R-3 total, so they need not reach 100%)**:** GDEB (6.7, 30%), Lockheed Martin (6.4, 29%), NIWC LANT (2.6, 12%), Progeny Systems (1.4, 6.3%).

| Activity (R-2A) | FY2025 | FY2026 | FY2027 |
|---|---|---|---|
| Government Furnished/Contractor Furnished NPES Component Technology Refreshment | 21.3 | 19.1 | 22.0 |

> R-2A activities carry the prior, current and budget year only — no five-year plan. Coverage is partial, so count them, never total them.

### Project 9999 — Congressional Adds

Congressional Add supports shipyard and ship repair workforce training.

## Where the FY2027 request goes

| Category | Share | $M |
|---|---|---|
| Industry primes | 67% | 220.9 |
| Government labs & warfare centers | 28% | 92.5 |
| Other / unspecified | 5.5% | 18.2 |

**Top named industry performers:** Ship Design Contractor-EB ($179.6M, 54%), LMS ($11.8M, 3.6%), GDEB ($6.8M, 2.1%).

> R-3 exhibit contract funding, not USAspending obligations.

## Mission & acquisition strategy

The COLUMBIA Submarine Class Program (previously the OHIO Replacement Class) is developing the next generation sea-based strategic deterrent. The funding applies to the design, systems engineering, prototyping, and vendor qualification activities needed to execute the schedule for Common Missile Compartment (CMC) design, whole ship design, and component technologies development for the next generation U.S. ballistic missile submarine (SSBN). This RDT&E program supports cooperation with the United Kingdom (UK) to maintain strategic deterrence, based on a single effort to develop a CMC as agreed by the UK Secretary of State for Defense and the U.S. Secretary of Defense in 2009.

The Common Missile Compartment (CMC) will be designed and developed to support the U.S. and UK in development of the COLUMBIA and DREADNOUGHT SSBN programs enabling a common U.S.-UK CMC and maximizing the benefit of the ongoing U.S.-UK partnership in strategic deterrence. The COLUMBIA Class Program RDT&E efforts will support the design, construction and operations & support portions of the program. RDT&E efforts will be performed by Navy laboratories, shipyards, private industry, and University Affiliated Research Centers.

## Related program elements

- [0101221N — Strategic Sub & Wpns Sys Supt](https://hitchintel.com/programs/0101221N) (Navy)
- [0603945D8Z — International Innovation Initiatives](https://hitchintel.com/programs/0603945D8Z) (Defense-Wide)
- [0708730N — Maritime Tech (MARITECH)](https://hitchintel.com/programs/0708730N) (Navy)
- [0604790D8Z — Rapid Defense Experimentation Reserve (RDER)](https://hitchintel.com/programs/0604790D8Z) (Defense-Wide)

## Source & machine access

- **Source:** FY2027 Department of the Navy RDT&E Budget Justification, Exhibits R-2/R-3, PE 0603595N (PB PB2027); FY2027 NDAA committee marks (as of 2026-07-27).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0603595N")`.

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