Strategic Risks of Novel Effector Technologies

• •Novel effector technologies are rapidly advancing and include hypersonics and directed energy weapons.
• •Strategic implications of these technologies are poorly understood, posing risks to international stability.
• •The UK has opportunities for leadership in the development of these technologies.

A report by the UK Foreign Commonwealth and Development Office (FCDO) highlights the rapid maturation of 'novel effector' technologies, including hypersonics, directed energy weapons, cyber, and autonomous systems. These technologies are already operational or nearing deployment, yet their strategic implications are poorly understood, impacting international governance and stability. The report identifies three core characteristics of these technologies: they can compress decision-making timescales, reduce attributability, and proliferate widely. The UK faces risks from divergent perceptions of these technologies among major actors, which could lead to escalation in conflicts. Limited prospects for binding international governance exist due to differing views on acceptable uses and constraints. However, targeted transparency and confidence-building measures could mitigate acute risks. The UK has opportunities to lead in this technology space, particularly in directed energy weapons and hypersonic systems.