Exclusive: Viridian Space Signs CRADA Agreement with US Air Force

Why It Matters

The CRADA accelerates validation of ABEP, opening VLEO for resilient military ISR and commercial services while reducing reliance on traditional chemical propulsion.

Key Takeaways

• Viridian signs five-year CRADA with US Air Force.
• ABEP enables satellites to operate in VLEO using atmospheric air.
• VLEO missions promise up to 10-year orbital life.
• Lower altitude improves imaging resolution and communications bandwidth.
• Tests at Kirtland AFB will validate propulsion and drag data.

Pulse Analysis

The collaboration between Viridian Space and the U.S. Air Force marks a pivotal step toward operationalizing air‑breathing electric propulsion in very low Earth orbit. By leveraging atmospheric particles as reaction mass, ABEP sidesteps the mass penalties of conventional chemical thrusters, enabling satellites to maintain altitude and perform frequent maneuvers without depleting onboard propellant. This capability is especially valuable in VLEO, where atmospheric drag is a constant challenge, and it aligns with the Department of Defense’s push for agile, survivable space assets.

Beyond defense, the commercial implications are substantial. Operating at 150‑kilometer altitudes brings sensors dramatically closer to the Earth’s surface, delivering finer‑grained imagery for mapping, agriculture, and disaster response. In the communications arena, reduced range to ground terminals translates into higher data rates and lower latency, supporting emerging device‑to‑device (D2D) networks and broadband constellations. Viridian’s promise of decade‑long missions further reduces lifecycle costs, making VLEO constellations economically attractive compared with traditional LEO or GEO deployments.

The CRADA also provides a structured pathway for data sharing and joint experimentation. Kirtland Air Force Base will host ground‑test rigs and flight‑validation campaigns, generating empirical drag and space‑weather datasets that can refine orbital decay models. These insights will inform future DoD concepts of operation, such as rapid‑replenishment constellations and resilient ISR platforms. For the broader industry, the partnership signals confidence in VLEO as a sustainable orbital regime, encouraging investment in next‑generation propulsion, materials, and mission architectures.