British Royal Marines exit a Chinook helicopter in south-eastern Afghanistan. UK Chief of the Defence Staff Gen Sir Nick Carter said the Taliban were 'very cunning, ruthless and innovative'. Getty
British Royal Marines exit a Chinook helicopter in south-eastern Afghanistan. UK Chief of the Defence Staff Gen Sir Nick Carter said the Taliban were 'very cunning, ruthless and innovative'. Getty

UK army chief admits West failed to understand Afghanistan 'but were not defeated'