Marines with Marine Special Operations Advisor Group, U.S. Marine Corps Forces, Special Operations Command, along with Army Ranger practice room clearing during the Advanced Urban Warfare portion of their training at the Direct Action Resource Center, here Aug. 25. - Marines with Marine Special Operations Advisor Group, U.S. Marine Corps Forces, Special Operations Command, along with Army Ranger practice room clearing during the Advanced Urban Warfare portion of their training at the Direct Action Resource Center, here Aug. 25.