Vehicles from the U.S. Army's 3rd Infantry Division, 3rd Brigade rumble along an access road to Highway 10 to the northwestern side of Baghdad, completing the encirclement of the city April 6. The 3rd Squadron, 7th Cavalry Regiment, reported some fierce fighting on Highway 10. The Cavalry's job was to secure the highway and allow safe pasage of the rest of the 3rd Brigade. (Warren Zinn/Army Times)