ENGINES OF TOMORROWan Orrerie publication · Novel propulsion across domains — physics, test data, path to flight
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Briefing
MACH-0001 · 2026-06-12 · ~6 pp

Engines of Tomorrow Briefing — June 2026

Lithium plasma at 120 kW, supersonic airbreathers, and the nuclear retreat
Also: PDF
Flagship
MACH-0002 · 2026-06-12 · ~8 pp

Nuclear Thermal and Electric Propulsion

Physics, performance, and the path to flight after DRACO's cancellation
Also: PDF