Operation Euphrates Shield Operation Olive Branch The Underwater Defence (Turkish: Su Altı Savunma), or SAS, is the one and only EOD (Explosive Ordnance Disposal) unit of the Turkish Navy, based in the Foça Naval Base near İzmir, on the Aegean coast of Turkey The missions of the Su Altı Savunma (SAS) include coastal defence operations, such as clearing mines or unexploded torpedoes, and disabling enemy IEDs.

unit was established in 1964 in the city of Istanbul, The original name of the S.A.S.

Their main tasks are:[1] SAS units do not perform assault, counter-terrorism, recon or CQC missions.

A real-time duty executed by the SAS has been the clearing of the Girne Beach, Cyprus, prior to the amphibious assault of the Turkish Armed Forces to the island in 1974.

This article about a specific military unit is a stub.