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COL Teo Chin Leong has made a fruitful career working on one of the Navy's most mysterious platforms – the submarine.
The Republic of Singapore Navy (RSN) now has its first fully customised submarine.
Mrs Ivy Ng, wife of Defence Minister Dr Ng Eng Hen, launched the submarine Invincible at the thyssenKrupp Marine Systems shipyard in Kiel, Germany, on 18 Feb.
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