Taliban attack on US secret base raises fear of pullout deadline violence A base hosting military personnel working for the CIA was hit by rockets twice in March and Kandahar airfield was hit earlier this week America still has more than 2,500 troops in Afghanistan A series of attacks on American bases in Afghanistan, including a secret spy base, have raised fears that the Taliban will step up assaults on US forces ahead of the May 1 deadline to pull out. Rockets twice struck a base used by military personnel working for the CIA in eastern Afghanistan last month, CNN reported, in apparent breach of the US-Taliban withdrawal deal signed last year.