# Long Range Strike Bomber (B-21) Modernization

**R-2A activity** of project 644044 — B-21 Modernization  
**Program element:** 0604015F — Long Range Strike - Bomber  
**Component:** U.S. Air Force · **Budget Activity:** 4  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0604015F/644044/a0  
**Parent:** https://hitchintel.com/programs/0604015F/644044

## Summary

This activity requests $1.10B in FY2027, 100% of project 644044, up 70% 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.** FY 2027 includes funding for the continuation of modernization studies/ technical risk reduction activities. In addition, modernization activities will be supported, which includes but is not limited to, weapons integration/certification, air vehicle provisioning for future capabilities, sensors, and payloads.

**FY2026 to FY2027 change.** FY 2027 increased from FY 2026 by $455.248M in support of the program's increasing design scope of modernization activities that began in 2024; to include enhanced technologies, nuclear certification as well as infrastructure transitioning from baseline to modernization.

## Before the request year

**FY2026 plans — current year.** FY 2026 includes funding for the continuation of modernization studies/ technical risk reduction activities. In addition, modernization activities will be supported, which includes but is not limited to, weapon integration/certification, air vehicle provisioning for future capabilities, sensors, and payloads.

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 260.3 |
| FY2026 | Enacted | 646.2 |
| FY2027 | Request | 1,101.4 |

> 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 Air Force RDT&E Budget Justification, Exhibit R-2A, PE 0604015F project 644044 (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.*