>> northern alliance commander, they have moved their troops into areas close to mazar e sharif. >> fighting intensifying. >> we had greater maneuverability on horseback in that terrain than the taliban or al qaeda did. they're in armored vehicles and pickup trucks. they're tied to their fuel depots. and so we were able to cut them off from reinforcement and cut them off from retreat. i probably rode 300 miles or more. i was determined i was going to ride that horse all the way into mazar-e-sharif. >> crossed over the river. the water was high enough the horses actually started to float down the river. and of course we did not want to go for a swim.