# Project 623066 — Turbine Engine Technology

**Program element:** 0602203F — Aerospace Systems Technologies  
**Project:** 623066  
**Component:** U.S. Air Force  
**Appropriation:** 3600 — RDT&E, Air Force  
**Budget Activity:** 2 — Applied Research  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/programs/0602203F/623066  
**Parent:** https://hitchintel.com/programs/0602203F

## Summary

Project 623066 — Turbine Engine Technology requests $83.3M in FY2027, 21% of the $397.8M requested for program element 0602203F, up 2.5% on FY2026. 10 R-2A activities decompose the request, 1 new this cycle.

## Funding profile

| Fiscal Year | Estimate Type | Amount ($M) |
|---|---|---|
| FY2025 | Actual | 70.9 |
| FY2026 | Enacted | 81.3 |
| FY2027 | Request | 83.3 |
| FY2028 | Outyear | 83.2 |
| FY2029 | Outyear | 83.7 |
| FY2030 | Outyear | 87.2 |
| FY2031 | Outyear | 89.0 |

> Estimate types are not summed. This project is one leaf of PE 0602203F; the PE total is the sum of its projects, never added to them.

## What project 623066 buys

This project develops air breathing engine technology to address military specific needs for manned systems, autonomous vehicles, and munition applications. Technology development includes Mission Optimized Air Breathing Propulsion Technology Development and Revolutionary Propulsion Technology Development by utilizing military utility and physics-based analysis.

## Activities (R-2A) — 10

| Activity | FY2025 | FY2026 | FY2027 | Move | Page |
|---|---|---|---|---|---|
| Mission Optimized Air Breathing Propulsion Technology Development | 0.0 | 41.5 | 41.5 | +0% | [a0](https://hitchintel.com/programs/0602203F/623066/a0) |
| Revolutionary Propulsion Technology Development | 18.6 | 29.7 | 33.3 | +12% | [a1](https://hitchintel.com/programs/0602203F/623066/a1) |
| Aerospace Fuel Technology Development | 0.0 | 0.0 | 8.5 | new | — |
| Turbine Engine Components | 26.3 | 0.0 | 0.0 | — | — |
| Turboshaft/Turboprop and Turbofan Engine Technologies | 0.6 | 0.0 | 0.0 | — | — |
| Engine Technologies for Autonomous Vehicles and Munitions | 15.2 | 0.0 | 0.0 | — | — |
| Combustion Technologies | 2.1 | 0.0 | 0.0 | — | — |
| Diagnostic Technologies | 0.2 | 0.0 | 0.0 | — | — |
| Bearing Technologies | 3.1 | 0.0 | 0.0 | — | — |
| Lubricant Technologies | 4.8 | 0.0 | 0.0 | — | — |

> Activities carry the prior, current and budget year only — no five-year plan. In the request year they partition this project exactly; in earlier years they can under-cover it.

### Mission Optimized Air Breathing Propulsion Technology Development

Continue demonstration of high efficiency, high durability propulsion components tailored for embedded systems. Activities include: -Complete distortion tolerant fan manufacturing and start test event. Continue engine component validated methodologies trade engine life, cost, and performance. Activities include: -Demonstration of risk…

Full year-by-year narrative: https://hitchintel.com/programs/0602203F/623066/a0

### Revolutionary Propulsion Technology Development

Continue evaluation and integration of ramburner rotating detonation engine (RDE) technology. Activities include: -Completion of characterization testing of volume-efficient RDE diffuser concepts -Release of preliminary versions of rapid design RDE computational fluid dynamics codes -Design, fabrication, and testing of novel RDE…

Full year-by-year narrative: https://hitchintel.com/programs/0602203F/623066/a1

### Aerospace Fuel Technology Development — NEW START

**FY2027 planned work.** Continue research in developing tools to understand fuel composition for decision making on non-drop-in fuels. Activities include: -Training the performance prediction model with fuel property and performance data Continue investigation of fuel heat sink approaches for thermal management of fuel deposition modeling. Activities include: -Model validation with high-speed mission conditions Continue development of sensors and analysis techniques for monitoring fuel chemistry that causes deposits. Activities include: -Coking sensor demonstration in collaboration with industry partners and advanced software tools to predict fuel deposits Continue development of fuel formulations for fuel for high-speed applications. Activities include: -Identification and testing of endothermic fuel candidates and catalysts combinations Commence military assessment to determine technical feasibility of logistical and novel fuel technologies and digital engineering tools for high-speed and munitions applications. Activities include: -Assessing the utility of fuel technologies and tools for further use in aerospace applications

**FY2026 to FY2027 change.** FY2027 funding increased by $8.534 million due to the transfer of the Aerospace Fuel Technology Development effort and associated funding within this Program Element from Project 625330 / Aerospace Fuel Technology.

**FY2026 plans — current year.** In FY 2025 and FY 2026, the Aerospace Fuel Technology Development effort and funding were reported in Program Element 0602203F / Aerospace Systems Technologies / Project 625330 / Aerospace Fuels Technology. FY 2025 funding was $5.443 million and FY 2026 funding is $8.456 million for the Aerospace Fuel Technology Development Effort. Note: FY2025 all $5.443 million in work and funding was aligned to Project 625330 / Aerospace Fuels Technology. Funding was aligned across four thrusts within the project: $0.694 million to Alternate Fuels, $3.099 million to Integrated Thermal and Energy Management, $1.580 million to Fuel Logistics & Sustainment, and $0.070 million to Combustion Emissions and Performance. In FY 2026 work and funding was transferred to Aerospace Fuel Technology Development effort.

### Turbine Engine Components

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** In FY 2026, the funding and technical activities from this effort were realigned to Mission Optimized Air Breathing Propulsion Technology Development effort to enable acceleration of integrated system capabilities and capture realistic representation of work.

### Turboshaft/Turboprop and Turbofan Engine Technologies

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** Turboshaft/Turboprop and Turbine Engine Technologies completed in FY2025.

### Engine Technologies for Autonomous Vehicles and Munitions

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** In FY 2026, the funding and technical activities from this effort were realigned to Mission Optimized Air Breathing Propulsion Technology Development effort and the Revolutionary Propulsion Technology Development to enable acceleration of integrated system capabilities and capture realistic representation of work.

### Combustion Technologies

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** Combustion Technologies completed in FY 2025.

### Diagnostic Technologies

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** Diagnostic Technologies effort completed in FY 2025.

### Bearing Technologies

**FY2027 planned work.** Not Applicable

**FY2026 plans — current year.** Bearing Technologies effort completed in FY 2025

### Lubricant Technologies

**FY2027 planned work.** Not Applicable

**FY2026 to FY2027 change.** Not Applicable

**FY2026 plans — current year.** In FY 2026, the funding and technical activities from this effort were realigned to Revolutionary Propulsion Technology Development effort to enable acceleration of integrated system capabilities and capture realistic representation of work.

## What is NOT on this page

Congressional marks, the R-2 mission description and acquisition strategy, the industry vs government split of the whole request, and related program elements are recorded at **program-element** grain — an NDAA mark lands on a PE, never on a project. They are at https://hitchintel.com/programs/0602203F.

## Source & machine access

- **Source:** FY2027 Department of the Air Force RDT&E Budget Justification, Exhibits R-2/R-2A/R-3, PE 0602203F project 623066 (PB PB2027).
- **MCP:** `mcp.hitchintel.com` — `budget_get_program_element(pe="0602203F")`.

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