There were also questions over the selection of the Swiss manufactured Sea Zenith but there have been no negative reports regarding the system 's performance from the Turkish Navy .
The Swiss manufactured Sea Zenith is an advanced CIWS system that was never previously used on any naval platform .
There were also questions over the selection of the Swiss manufactured Sea Zenith , an advanced CIWS system that was never previously used on any naval platform , but there have been no negative reports regarding the system 's performance from the Turkish Navy .