US Marine Corps (USMC) Lance Corporal (LCPL) Orin Backlund, a Machine GUNNER assigned to 2/3 Weapons Company, fires the M2HB.50 caliber machine gun (mounted atop a vehicle) during a mechanized raid training exercise on the range at Su Song Ri, Republic of Korea (KOR), while participating in the Amphibious Ready Group Exercise 2004 (ARGEX 04). The Exercise is jointly conducted between the USMC and the US Navy (USN) and the KOR, and is designed to familiarize each Unit with the techniques, tactics, and procedures associated with a Special Operations Capable (SOC) Unit