Singapore added six frigates and 32 fighter aircraft over the past five years and ordered two submarines and 12 more fighters.

过去5年内，新加坡新增6艘护卫舰和32架战斗机，并订购了两艘潜艇和另外12架战机。

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That suggests that the Navy has more frigates and submarines than it really needs.

ECONOMIST: The future of the Royal Navy

Thanks to its armed frigates and new submarines, China is feeling increasingly secure vis a vis Japan and a list of other sea neighbors.

FORBES: On China's Aircraft Carrier, Business and The Art of War

It says the Chinese navy possesses about 75 principal surface combatants, like destroyers and frigates, and around 60 submarines.

WSJ: China Adds Aircraft Carrier to Its Navy