# Eagle Tether

**R-2A activity** of project 676020 — F-15 Modernization  
**Program element:** 0207134F — F-15E Squadrons  
**Component:** U.S. Air Force · **Budget Activity:** 7  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0207134F/676020/a4  
**Parent:** https://hitchintel.com/programs/0207134F

## Summary

This activity requests $13.6M in FY2027, 4.2% of project 676020, down 39% 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 to develop and integrate single-band SATCOM apertures and terminals with aircraft systems and modify aircraft software (operational flight profile) to enable integration and sharing of data in accordance with DAF Battle Network architecture in an open architecture implementation. Conduct test & evaluation activities (systems integration laboratory, fit checks, ground testing, developmental flight test and associated airworthiness certifications)

**FY2026 to FY2027 change.** Non-recurring engineering begins to ramp down as program nears test jet install and flight test.

## Before the request year

**FY2026 plans — current year.** Develop and integrate single-band SATCOM apertures and terminals with aircraft systems and modify aircraft software (operational flight profile) to enable integration and sharing of data in accordance with DAF Battle Network architecture in an open architecture implementation. Conduct test & evaluation activities (systems integration laboratory, fit checks, ground testing, developmental flight test and associated airworthiness certifications)

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 0.0 |
| FY2026 | Enacted | 22.2 |
| FY2027 | Request | 13.6 |

> 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.

## Other activities in project 676020

- [Operational Flight Program (OFP) Development Efforts](https://hitchintel.com/programs/0207134F/676020/a0) — FY2027 225.0
- [Flight Test](https://hitchintel.com/programs/0207134F/676020/a1) — FY2027 38.0
- [GPS M-Code / R-EGI](https://hitchintel.com/programs/0207134F/676020/a3) — FY2027 37.3
- F-15 Radar Enhancements (RE) — FY2027 9.0

## Source & machine access

- **Source:** FY2027 Department of the Air Force RDT&E Budget Justification, Exhibit R-2A, PE 0207134F project 676020 (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.*