Some had had training and experiencein the ranks while others became Guardians straight out of school. Still others were graduates of schools for non-commissioned officers who had first been recruited to serve at Chiang Kai-shek's Shihlin residence. Having been employed as bodyguards there, they were later transferred to the Guardians.
多半為軍校畢業不久的這些年輕人，有的在部隊歷練過，有些則從學校畢業便進入七海；還有些則來自士官學校，先被遴選進故總統蔣中正的士林官邸，擔任衛士，而後才被調至七海。