IN Brief:
- Tiberius has completed a firing that combined launch from a NATO-standard 155mm howitzer with ramjet ignition in flight.
- Sceptre is designed as a liquid-fuelled guided artillery round intended to extend range beyond conventional 155mm ammunition.
- Production maturity will now depend on survivability under launch stress, repeatable manufacture, and qualification evidence.
Tiberius Aerospace has moved its Sceptre programme into a more advanced test phase with a live firing that combined launch from a NATO-standard 155mm howitzer, ramjet ignition, and powered flight. The result pushes the round beyond concept and bench development into a far more demanding part of the artillery technology cycle.
Sceptre is being developed as a guided, liquid-fuelled ramjet artillery munition intended to extend the range envelope of standard 155mm systems. The technical hurdle has always been severe: the projectile must survive launch loads, maintain structural integrity, ignite cleanly after gun launch, and then transition into stable powered flight while preserving guidance and control.
The appeal of the concept is clear enough for land forces already looking to stretch artillery reach without shifting immediately to a different launcher class. A successful powered round would offer another way to expand deep-fire options using existing gun infrastructure.
The engineering burden sits inside the munition body
Turning a ramjet artillery concept into a production weapon requires more than a successful firing. The round has to combine propulsion, fuel management, structural resilience, electronics survivability, and guidance performance inside the footprint of a shell that still endures the violence of gun launch. That puts heavy demands on materials, assembly tolerances, sealing, fuel-system integrity, and packaging of onboard electronics.
Tiberius has framed Sceptre around a reduced parts count, compatibility with NATO-standard artillery, lower barrel wear, and a multi-fuel approach intended to simplify handling and support. Each of those features will have to hold up under repeat testing and a formal qualification pathway.
Repeatability will define the next phase
Advanced munitions often clear an early technical milestone before running into the harder realities of serial manufacture, unit cost, and acceptance testing. For Sceptre, the next stretch of development will depend on consistent live-fire results, a credible production route, and a supply chain able to support output beyond small demonstration lots.
The programme has now crossed a threshold that places manufacturing, qualification, and scale at the centre of the discussion.


