Second-generation replacement has been undertaken through three methods: purchase from abroad, lease from abroad, and domestic construction. Because of PRC obstruction and the ROC's weak diplomatic position, every step of the modernization program has been "very rough going," says Captain Shen Pochih, commander of the submarine force.
「二代艦」的汰換分外購、租借，及自建三種途徑，因於中共壓力及我外交的逆勢，「步步都可用艱辛兩字形容」，潛艦戰隊戰隊長申伯之上校說。