It has long been rumored that a U.S. Navy aircraft carrier group was successfully tracked by a Singapore Navy submarine in South China Sea. The photo of the carrier coming into the periscope sights has now surfaced in a video by the Republic of Singapore Navy.
![46da98dd-ffc4-4612-9562-c430408955de[1]](http://alert5.com/wp-content/uploads/2016/12/46da98dd-ffc4-4612-9562-c430408955de1.png)
Screen grab from RSN video
The silent hunter was RSS Chieftain, a Sjöormen-class submarine that previously serve as HMS Sjöhunden in the Swedish Navy. Sold to Singapore in the 1990s, the submarine took the picture back in 2002.