新加坡首先委托两艘不可战胜的级潜艇加强海军能力。 Singapore commissions first two Invincible-class submarines to enhance naval capabilities.

新加坡已服役其首批两艘无敌级潜艇 RSS 无敌号 （RSS Invincible） 和 RSS 无暇号（RSS Impeccable），以增强其海军能力。 Singapore has commissioned its first two Invincible-class submarines, RSS Invincible and RSS Impeccable, enhancing its naval capabilities. 这些潜水艇由Hissenkrupp海洋系统建造,是为浅水、繁忙水域和先进技术设计的。 Built by thyssenkrupp Marine Systems, these submarines are designed for shallow, busy waters and feature advanced technology. 它们取代了旧的挑战者级潜艇，预计服役 30 年。 They replace the older Challenger-class subs and are expected to serve for 30 years. 第三和第四艘潜艇定于2028年抵达,反映了新加坡对海上防御演变的承诺。 The third and fourth submarines are set to arrive by 2028, reflecting Singapore's commitment to maritime defense evolution.