Transfer of authority ceremony between US army rotational units The ceremony transfering authority between the 1st Armoured Brigade Combat Team, 1st Infantry Division, and the 2nd Armored Brigade Combat Team, 1st Cavalry Division takes place at Camp Humphreys in South Korea, as part of a regular rotation of US units in the country, which has a security alliance with the United States. IMAGES AND SOUNDBITESREFILES TO CORRECT LEAD - NOT ALL US FORCES IN SOUTH KOREA ARE BEING RELOCATED TO HUMPHREYS