# Baseline 3 and Baseline 4 Upgrade Development

**R-2A activity** of project 674804 — Compass Call  
**Program element:** 0207253F — Compass Call  
**Component:** U.S. Air Force · **Budget Activity:** 7  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0207253F/674804/a0  
**Parent:** https://hitchintel.com/programs/0207253F/674804

> **RESTART.** Funded in FY2025 ($116.0M), zeroed in FY2026, $40.9M requested again in FY2027.

## Summary

This activity requests $40.9M in FY2027, 100% of project 674804 — a restart, funded in FY2025 and zeroed in 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 continue PME development, integration, and test on platform upgrades and associated simulators/trainers, address PME discrepancies as required, and future analysis/ maturation of baseline and capability development activities. Specific efforts include, but are not limited to, the following: • Will continue platform and PME engineering, upgrade, and test activities • Will continue advancing Electromagnetic Attack offensive capabilities • Will continue studies and analysis for current/future baseline development planning • Will continue training systems/simulation lab environments

**FY2026 to FY2027 change.** Funding increased from $0 to $40,896 thousands in FY 2027 to support BL4 development, test and evaluation, and maturation of AEA technologies.

## Before the request year

**FY2026 plans — current year.** Continue PME development, integration, and test on platform upgrades and associated simulators/trainers, address PME discrepancies as required, and future analysis/maturation of baseline and capability development activities. Specific efforts include, but are not limited to, the following: • Continuing platform and PME engineering, upgrade, and test activities • Continuing advancing Electromagnetic Attack offensive capabilities and expanding frequency coverage • Continuing studies and analysis for current/future baseline development planning • Continuing future capabilities to combat emerging and modern threats • Continuing future external communications upgrades • Continuing training systems/simulation lab environments • Continuing Program Support Costs (PSC)

## Funding

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 116.0 |
| FY2026 | Enacted | 0.0 |
| FY2027 | Request | 40.9 |

> 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 0207253F project 674804 (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.*