CFR Development Roadmap (T4–T8)
Defined a modular scaling strategy for high-beta compact magnetic confinement.
01 Definition
Lockheed Martin's phased engineering roadmap for the Compact Fusion Reactor, mapping progression from early magnetic cusps to ignited DT burn.
02 Detailed_Analysis
The CFR Development Path was a phased prototyping roadmap formulated by Tom McGuire at Skunk Works. It structured reactor scaling across five key experimental steps: T4 (magnetic cusp confinement validation), T5 (high-beta stability demonstration), T6 (1 MW, 1 keV heating benchmark), T7 (deuterium plasma testing), and T8 (pulsed DT ignition). Initial T4 results in 2016 achieved densities around 10^18 m^-3 and sub-100 eV temperatures, highlighting severe cross-cusp transport losses.
03 Key_Facts
- ▸ Outlined experimental scaling milestones from T4 through T8
- ▸ Targeted transition from cusp physics to self-sustained DT ignition
- ▸ Included parallel neutral beam, superconducting coil, and blanket R&D
- ▸ T4 prototype tests exposed major plasma confinement and heat loss hurdles
04 Deep_Dive_Intelligence
Overview
ASSESSMENT: The CFR had a clear T4-T8 development path, but T4 results were 2-3 orders of magnitude below fusion conditions. McGuire's 2016 US-Japan CT presentation (UCI): T4 (Investigate CFR plasma configuration) -> T5 (Demonstrate high Beta) -> T6 (Demonstrate high power 1 MW, high temperature 1 keV) -> T7 (Demonstrate reactor conditions with Deuterium plasma) -> T8 (Demonstrate ignited DT plasma <10 sec). Parallel sub-system development: plasma simulation, neutral beam heating, superconducting coils, internal coil support shielding, blanket design. T4 RESULTS (as of 2016): 482 shots, n = 10^16-10^17 m^-3 (target 10^19, 100-1000x below), Te = 10-25 eV (target 10,000+ eV, 400-1000x below), tauE = 4-100 microsec (target ms, 10-100x below), ECRH cut-off limited ionization to <10%. THE GAP: T4 was very early stage. T5 was supposed to demonstrate high Beta — the key physics regime. The 'cancellation' in 2020 would have been around T5/T6 stage. KEY QUESTION: Did CFR reach high Beta (T5) before cancellation? If T5 demonstrated high Beta, the key physics was proven and the program could have been transitioned to classified status. McGuire's continued employment (18+ years, 2023 patent, following Eos Atomics) suggests the physics was NOT a dead end.
Entity Type: Assessment — CFR Development Path T4-T8 (McGuire 2016) is an analytical assessment synthesizing multiple data points.
Research Findings
CFR Development Path T4-T8 (McGuire 2016) appears in 5 research analysis documents:
AFRL Air Delivered Effects 2025:
Findings: AFRL Air Delivered Effects 2025
Source PDF: [AFRL_Air_Delivered_Effects_2025.pdf](/archive/AFRL_Air_Delivered_Effects_2025)
Date range: 1972-2025
Source org: AFRL
Summary
The Air Force Research Laboratory Munitions Directorate (AFRL/RW) issued this Broad Agency Announcement to solicit research in 'Air Delivered...
AFRL Air Delivered Effects 2025:
Findings: AFRL Air Delivered Effects 2025
Source PDF: [AFRL_Air_Delivered_Effects_2025.pdf](/archive/AFRL_Air_Delivered_Effects_2025)
Date range: 1972-2025
Source org: AFRL
Summary
The Air Force Research Laboratory Munitions Directorate (AFRL/RW) issued this Broad Agency Announcement to solicit research in 'Air Delivered...
AFRL Air Delivered Effects BAA 2024:
Findings: AFRL Air Delivered Effects BAA 2024
Source PDF: [AFRL_Air_Delivered_Effects_BAA_2024.pdf](/archive/AFRL_Air_Delivered_Effects_BAA_2024)
Date range: 1972-2024
Source org: AFRL
Summary
The Air Force Research Laboratory Munitions Directorate (AFRL/RW) issued this Broad Agency Announcement in 2024 to solicit research a...
AFRL Air Delivered Effects BAA 2024:
Findings: AFRL Air Delivered Effects BAA 2024
Source PDF: [AFRL_Air_Delivered_Effects_BAA_2024.pdf](/archive/AFRL_Air_Delivered_Effects_BAA_2024)
Date range: 1972-2024
Source org: AFRL
Summary
The Air Force Research Laboratory Munitions Directorate (AFRL/RW) issued this Broad Agency Announcement in 2024 to solicit research a...
Findings: AFRL LANL FRCHX 2016
Source PDF: [AFRL_LANL_FRCHX_2016.pdf](/archive/AFRL_LANL_FRCHX_2016)
Date range: 1981-2022
Source org: LANL
Summary
This programmatic analysis investigates the 2014-2016 closeout of the Field-Reversed Configuration Heating Experiment (FRCHX), a joint initiative by the Air Force ...
Source Documents
Intelligence derived from 4 source documents:
- UCI — McGuire 2016 US-Japan CT presentation (Compact Fusion Reactor CFR)
- APS DPP 2015 — GO4.00015 'Overview of the Lockheed Martin CFR Program'
- APS DPP 2017 — 'Simulation of High-Beta Plasma Confinement' (Font, Welch, Mitchell, McGuire)
- APS DPP 2019 — BO8.15 'Overview of the Lockheed Martin CFR Project' (T4B, T5)
06 Related_Terms (1)
08 Timeline_Mentions (10)
LANL adiabatic compression of FRCs
Foundational paper on compressive heating of FRC plasmas, later inherited by the CFR program.
fusion-researchU.S. Compact Fusion Aerospace Program Initiated
A highly classified U.S. program begins development of a revolutionary aerospace platform powered by a Compact Fusion Reactor (CFR) based on FRC physics.
defense-programsLockheed Skunk Works CFR program begins internally
Tom McGuire and Charles Chase begin CFR development at Skunk Works. FRC-based high-beta concept.
defense-programsLockheed Martin CFR Program Commencement
Lockheed Martin Skunk Works® officially begins its Compact Fusion Reactor (CFR) program, led by Thomas McGuire.
defense-programsCharles Chase reveals Skunk Works CFR
Public reveal of the Lockheed Martin Skunk Works Compact Fusion Reactor concept.
defense-programsLockheed CFR Patent Filing
Lockheed Martin files foundational patents for its Compact Fusion Reactor (CFR).
fusion-physicsLockheed Martin Files CFR Patents
Lockheed Martin files foundational patents for the Compact Fusion Reactor (CFR) program under Thomas McGuire.
defense-programsSkunk Works CFR Announcement
Lockheed Martin Skunk Works publicly announces its Compact Fusion Reactor (CFR) program, correlating with the wind-down of public FRCHX activity.
defense-programsProject Quiet Exodus / MH370 Operation
Hypothesized covert operation to neutralize a Freescale Semiconductor team to prevent the compromise of Compact Fusion Reactor (CFR) technology.
defense-programsSkunk Works announces T5 reactor construction
T5 significantly larger than T4B. Last public APS presentation before cancellation. McGuire presents overview.
defense-programs09 FAQ
What is CFR Development Roadmap (T4–T8)? ▾
Why does CFR Development Roadmap (T4–T8) matter? ▾
How does CFR Development Roadmap (T4–T8) relate to other concepts? ▾
When did CFR Development Roadmap (T4–T8) appear in the research timeline? ▾
Is there a detailed dossier for CFR Development Roadmap (T4–T8)? ▾
Quick_Facts
- Category
- Fusion Physics
- Aliases
- CFR Development Roadmap (T4–T8), cfr-development-roadmap-t4t8, CFR T4-T8 Roadmap, Skunk Works Fusion Maturation Path
- Sources
- 0
- Related Terms
- 1
- Timeline Events
- 10