 Complete the following phrase:  In April 1965, MASS-2 deployed to South Vietnam as part of the III Marine Amphibious Force and provided both Direct Air Support Centers and Air Support Radar Teams ASRTs in support of ground combat units. MASS-3 entered Vietnam on 10 November 1966 when they disembarked from the at Chu Lai. MASS-2 supported the 3rd Marine Division in the northern two provinces of I Corps while MASS-3 worked in support of the 1st Marine Division in the southern three provinces of I Corps. From 1966-1971, MASS-3 ASRTs controlled more than 38,010 a hrefANTPQ-10ANTPQ-10a missions, directing more than 121,000 tons of ordce on 56,753 targets. a 10:1 ratio The ASRTs utilized the ANTPQ-10 with great success, especially during the 