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Armoured Fighting Vehicles: Modernisation

Asked by Ben Obese-JectyConservativeMinistry of DefenceTabled Answered 3 February 2026UIN 108363

The question

To ask the Secretary of State for Defence, what was the full scope of the Heavy Armour Automotive Improvement Programme.

Answered by Luke Pollard

The Heavy Armour Automotive Improvement Programme (HAAIP) aims to deliver automotive improvements across the Challenger based Heavy Tracks Fleet, Driver Training Tanks, the Challenger Armoured Repair and Recovery Vehicle, TITAN, TROJAN, and Challenger 3.

It addresses automotive performance, reliability, through life costs and maintainability out to 2040. The modifications provided by HAAIP will increase the mobility, agility and stability of the wider family of Heavy Tracked vehicles, providing a critical foundation for future enhancements and systems.

Much of HAAIP’s work is supported by British Industry and supports the Strategic Defence Review’s directive to make UK Defence an engine for growth.

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