Makes for miserable reading.
https://committees.parliament.uk/publications/22344/documents/165210/default/
The manner of the withdrawal of international forces from Afghanistan was a disaster, a betrayal of our allies, and weakens the trust that helps to keep British people safe. It will affect the UK’s international reputation and interests for many years to come. There were systemic failures of intelligence, diplomacy, planning and preparation, which raise questions about machinery of Government, principally the National Security Council.