Turkish Navy is conducting two naval exercises simultaneously. One is Nusret 2012 mine warfare exercise is held in the Aegean with the participation of NATO’s SNMCMG-2 and Turkish, Greek and US naval units. Below is the order of battle for this exercise as far as I could find.
| Number | Name | Type | Country |
| M-500 | TCG Foça | Mine Sweeper | Turkey |
| M-501 | TCG Fethiye | Mine Sweeper | Turkey |
| M-516 | TCG Sığacık | Mine Sweeper | Turkey |
| M-1064 | FGS Grömitz | Mine Hunter | Germany |
| M-5559 | ITS Viareggo | Mine Hunter | Italy |
| M-111 | HMS Blyth | Mine Hunter | UK |
| M-276 | TCG Ayvalık | Mine Hunter | Turkey |
| Unidentified | USA | ||
| M-61 | HS Evniki | Mine Hunter | Greece |
The second naval exercise Mavi Balina 2012 is held in Eastern Mediterranean with the participation of NATO’s SNMG-2, Pakistani, US and Turkish naval units and airplanes. According to Turkish Navy the total number of participants is 8 surface units and 3 submarines. Below is the order of battle for this exercise as far as I could find.
| Number | Name | Type | Country |
| F-217 | FGS Bayern | Frigate | Germany |
| F-570 | ITS Maestrale | Frigate | Italy |
| F-495 | TCG Gediz | Frigate | Turkey |
| DDG-98 | USS Forrest Sherman | Destroyer | USA |
| F-252 | PNS Shamsheer | Frigate | Pakistan |
| Unidentified | Turkey | ||
| Unidentified | Turkey | ||
| Unidentified | Turkey | ||
| S- | Unidentified | Submarine | Turkey |
| S- | Unidentified | Submarine | Turkey |
| S- | Unidentified | Submarine | Turkey |
devrimyaylali.com 
Turkish Navy Frigate F244 “Barbaros” (Callsign: TBGM) is also part of exercise “Mavi Balina 2012”
Hi Leif, Thank you very much for this valuable information.