With black smoke billowing in the background, a US Marine Corps (USMC) Marine assigned to the 11th Marine Expeditionary Unit, Special Operations Capable (MEUSOC), keeps his 5.56mm M16A2 rifle at the ready during a raid to eradicate the forces of Muqtada Al-Sadr from their strong points in the city of An Najaf, Iraq, during Operation IRAQI FREEDOM II