Venus Aerospace
Developer of rotating detonation rocket engine (RDRE) and Venus Detonation Ramjet (VDR) propulsion systems for defense, space, and hypersonic flight applications.
- CEO / Founder
- Sarah "Sassie" Duggleby
- Team Size
- 51-200
- Stage
- Growth Stage
- Total Funding
- $114M
- Latest Round
- Series B
- Key Investors
- Mercury Fund; Lockheed Martin Ventures; Prime Movers Lab; Airbus Ventures; Draper Associates; MESH; PEAK6; Starboard Star Venture Capital; Green Sands Equity; America's Frontier Fund; Trousdale Ventures; Boost VC; Saturn Five; X-Factor Ventures
Technology & Products
Key Products
RDRE (Rotating Detonation Rocket Engine) — high-thrust, reusable rocket engine; VDR (Venus Detonation Ramjet) — combined RDRE + air-breathing ramjet for runway-to-hypersonic cruise (Mach 5+); hypersonic propulsion systems for munitions, space launch, and orbital transfer.
Technological Advantage
Proprietary Rotating Detonation Rocket Engine (RDRE) technology using controlled detonation waves instead of conventional combustion; 3D-printed engine components; reusable and throttleable design; VDR combines RDRE with ramjet for single-system runway-to-hypersonic capability; 600+ engine tests completed; completed first U.S. flight test of a high-thrust RDRE in May 2025.
Differentiation
Value Proposition
Flight-proven Rotating Detonation Rocket Engine (RDRE) offering improved efficiency, lower cost, reusability, and scalability across defense, space, and commercial high-speed flight applications.
How They Differentiate
Venus completed the first U.S. flight test of a high-thrust RDRE launching a rocket into flight (May 2025). Their VDR combines RDRE + ramjet in a single system for runway-to-hypersonic cruise, which competitors have not demonstrated in flight.
Market & Competition
Target Customers
U.S. Department of Defense (hypersonic weapons, missiles), space launch providers, satellite operators (orbital transfer vehicles, lunar landers), and commercial high-speed aviation.
Industry Verticals
Defense & Aerospace; Space Transportation; Hypersonic Flight; Missile Propulsion
Competitors
GE Aerospace (rotating detonation-enabled dual-mode ramjet development); Pratt & Whitney / RTX (rotating detonation engine testing); large defense primes developing in-house hypersonic propulsion
Growth & Milestones
Major Milestones
2020: Company founded; 2021-03: $3M Seed round led by Prime Movers Lab; 2022-04: $20M Series A led by Prime Movers Lab; 2023-06: Airbus Ventures investment; 2025-05: First U.S. flight test of high-thrust RDRE (Spaceport America); 2025-11: Lockheed Martin Ventures strategic investment; 2026-07: $91M Series B led by Mercury Fund; Pam Melroy (former NASA Deputy Administrator) joins Board of Directors; Texas Space Commission $3.9M grant for test facility
Notable Customers
U.S. Department of Defense (hypersonic weapons programs); NASA (technology collaboration); Lockheed Martin (strategic partnership)