"Requisite" shifted to the northern Pacific. She arrived at her new homeport, Seattle, June 1955-Captain Robert F. Hopkins, in late June and before the end of the month had commenced Arctic operations. Arrived Nome Alaska July 3 rd and some of the crew marched in the 4 th of July Parade in Nome. By mid-September she had surveyed routes from Herschel Island to Shepherd Bay, taking continuous soundings and compiling bathythermograph information and gathering core samplings every 20 miles. She continued her operations from Seattle until July 1958. Then homeported at San Francisco, California, she remained in the Pacific, ranging from the Arctic to Polynesia, to Central America until the spring of 1959.