Those preparations continued into the new year, occupying her time for the first 11 weeks of 1971. "Berkeley" set sail on 16 March and, after brief stops at Oahu, Midway, and Guam, arrived at Subic Bay on 7 April. Following a brief upkeep period, she steamed to "Yankee Station" on 10 April and began escort duty for "Kitty Hawk". During this tour, the guided missile destroyer's crew welcomed on board three Vietnamese midshipmen and provided them with six weeks of underway training. In May, after a brief period of PIRAZ duty with the cruiser , "Berkeley" steamed to Japan, arriving in Sasebo on 19 May.