In addition to submarines , they are assigned to submarine tenders , submarine rescue ships , deep - diving submersibles , floating dry docks , shore support facilities , submarine staffs , and senior command staffs .
Some 5,000 officers and 55,000 enlisted sailors make up the submarine force .
In addition to submarines , officers are assigned to submarine tenders , submarine rescue ships , deep - diving submersibles , floating dry docks , shore support facilities , submarine staffs , and senior command staffs .
Some 5,000 officers and 55,000 enlisted sailors make up the submarine force .