 On 12 July, Charlie Battery of the 1st Battalion, 7th Artillery made landfall at Cam Ranh Bay, part of a taskforce with the 1st Battalion, 18th Infantry, 1st Infantry Division.This force was the first tactical US Army unit to be deployed in the Republic of Vietnam directly from the continental United States.After returning from Vietnam in March 1970, the 7th Artillery was redesignated the 7th Field Artillery once again on 1 September 1971.