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Tiberius Aerospace promises big on capability and accuracy with new artillery rocket

20th May 2025 - 10:48 GMT | by Damian Kemp in London

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An artist’s impression of Sceptre in flight. (Image: Tiberius Aerospace)

Tiberius Aerospace has deep roots in the entrepreneurial high-technology Silicon Valley in the US with its owners having established or been involved with major technology companies such as Nest, Veritone, Apple and Google. The owners shifted from this world to that of defence at the outbreak of Russia's invasion of Ukraine.

If promises are kept, the Sceptre liquid-fuelled ramjet-powered 155mm artillery rocket from Tiberius Aerospace could be a game changer both in capability and how the rocket is supported, as well as its spiral development programme.

The company was founded by serial high-technology entrepreneurs, chief strategy officer Andy Baynes and CEO Chad Steelberg, who outlined the capability and expectations of Sceptre on 19 May.

Sceptre is described by the company as a 155mm ramjet extended-range precision-guided ballistic munition capable of reaching speeds of Mach 3.5 and altitudes in excess of 65,000ft, which is beyond jamming range. It has a height of

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Damian Kemp

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Damian Kemp


Damian Kemp has worked in the defence media for 25 years covering military aircraft, defence …

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