US Marine Corps (USMC) Sergeant Major (SGM) Freed (left) Regimental Combat Team 7 (RCT-7), 1ST Marine Division, and US Army (USA) Command Sergeant Major (CSM) John Caldwell, 3rd Armored Cavalry Regiment, case the National Colors at the conclusion to the Transfer of Authority Ceremony which transfers authority for the Area of Operation (AR) Denver, from the US Army (USA) 3rd Armored Cavalry Regiment (ACR) to the USMC 7th Marine Regiment, 1ST Marine Division, in Al Asad, Iraq, during Operation IRAQI FREEDOM