# RC-135 SIGINT Development

**R-2A activity** of project 675180 — RC-135 (Airborne SIGINT Development - RC-135 Rivet Joint)  
**Program element:** 0304260F — Airborne SIGINT Enterprise  
**Component:** U.S. Air Force · **Budget Activity:** 7  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0304260F/675180/a0  
**Parent:** https://hitchintel.com/programs/0304260F/675180

## Summary

This activity requests $28.6M in FY2027, 100% of project 675180, down 32% 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.** - Will Deliver 9/3 capabilities for Baseline 15/16, continue 4 efforts for Baseline 16 and begin 4 new efforts for baseline 16. -Will continue SIGINT development efforts for the RC-135 fleet to include new signal sets and upgrades to current capabilities. See PE 0305207F for classified details. Classified requirements POC is HAF AF/A2OO (704) 614-7317.

**FY2026 to FY2027 change.** Funding decreased due to a database error. $17.116M will be realigned from Common Development [675183] for a total of $45.737M. Once corrected, funding increased due to increased Air Force development in Counter-Long Range Kill Chain initiatives. Additional details available at a higher classification.

## Before the request year

**FY2026 plans — current year.** - Deliver 6 capabilities for Baseline 15, continue 14 efforts for Baseline 15 and begin 2 new efforts for baseline 16. -Continue SIGINT development efforts for the RC-135 fleet to include new signal sets and upgrades to current capabilities. See PE 0305207F for classified details. Classified requirements POC is HAF AF/A2OO (704) 614-7317.

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 41.9 |
| FY2026 | Enacted | 41.9 |
| FY2027 | Request | 28.6 |

> 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 0304260F project 675180 (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.*