The Pentagon knew an attack was coming, but failed to take appropriate action.

Worth remembering: Lloyd Austin commanded CENTCOM while ISIS was at its zenith. His dismissal of the threat of ISIS caused Obama to call them “the JV team.”

Pentagon prepared for ‘mass casualty’ attack at Kabul Airport hours before explosion

Detailed notes of three classified calls provided to POLITICO show top Pentagon officials knew of imminent threat, but struggled to close Abbey Gate.

https://www.politico.com/news/2021/08/30/pentagon-mass-casualty-attack-kabul-507481