The Gabya (ex Perry) class frigate F-491 TCG Giresun seems to have gotten her new radar and vertical launcher. She is the last ship to received this upgrade.
The new Thales SMART-S Mk2 3D radar replaced the incumbent AN/SPS-49(V)4 radar which was 2D. The addition of 8 cell Mk41 in the forecastle increased the range and the number of the anti-air missiles carried on board. The Mk41 will hold ESSM missiles. while the Mk13 keep housing the SM-1 Standard missiles.
TCG Giresun is the fourth and final ship to undergo through this modernization. The other three are F-495 TCG Gediz, F-496 TCG Gökova, F-497 TCG Göksu.