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A new name has entered the defense arena. Tiberius Aerospace, a next-generation defense technology company, broke cover with the launch of Sceptre (TRBM 155HG) — a revolutionary 155mm ramjet munition built to extend the range, accuracy, and flexibility of legacy and future artillery platforms. The announcement was made at the 2025 Future Artillery conference in London.
And it’s not a minor upgrade. Sceptre is a liquid-fueled, precision-guided artillery round that flies at Mach 3.5, reaches altitudes above 65,000 feet (20 km), and delivers an operational range of up to 150 km. For reference, that’s triple the range of most standard rounds! Moreover, the system maintains sub-5-meter CEP accuracy even in GPS-contested environments, thanks to onboard AI-assisted navigation and real-time in-flight error correction.
The best part — Spectre requires no modifications to existing howitzers. Designed for the modern battlefield, Sceptre integrates seamlessly with NATO-standard 155mm artillery. Its ignition system and minimal barrel contact also help extend barrel life — a critical advantage for sustained operations.
The fuel? Diesel, JP-4, or JP-8. Stored dry, the liquid propellant is added just before firing using a just-in-time fueling system that reduces transportation and storage hazards. The result is a 20+ year shelf life with lower logistics risk.
Sceptre’s modular, open-architecture design supports future upgrades in both software and hardware. Its guidance system includes a user-friendly interface for target selection and can be integrated with existing fire control systems via open API. In-flight, munitions can even communicate with each other to refine target accuracy. That would also make Spectre smart. Connected. Precise.
Tiberius Aerospace also had cost-effectiveness in mind when designing Spectre. Its architecture supports a cost-down procurement model to strengthen defense supply chains, improve resiliency, and enhance affordability without compromising performance.
“Our mission is to deliver next-generation weapon systems of outstanding capability with precision, scale and efficiency,” said Chad Steelberg, Founder and CEO of Tiberius Aerospace. “The public launch of Sceptre today, the first of our Ramjet munitions, meets this goal and fills a critical capability gap by delivering long-range precision-guided effects in a high-quality, cost-effective package. Tiberius’ innovation pipeline of products and services is engineered to catalyze a strategic leap in defense — empowering the UK, the US and their allies with unmatched agility, precision and rock-solid resilience.”
Founded in 2022, Tiberius Aerospace applies engineering best practices from Silicon Valley to military-grade systems. With its first product now public, the company aims to help the UK, US, and their allies field more adaptable, precise, and cost-effective firepower in an increasingly contested world.
