Movie about the Horse Soldiers ... first strike against Taliban and Al Queda after 9/11. 12 special forces individual ride into battle on horses with local afghanistan tribe. There's a statute at ground zero commemorating their mission.
Task Force Dagger is sent to Afghanistan following the September 11 attacks, a team that includes CIA paramilitary officers and US Army Green Berets Operational Detachment Alpha 595 (ODA 595).They join forces with General Abdul Rashid Dostum of the Northern Alliance to help conduct unconventional warfare against Taliban forces.
https://en.m.wikipedia.org/wiki/12_Strong