Underwater Offence Group Command or simply SAT is one of two special operations units of the Turkish Navy, based in the Foça Naval Base near İzmir, on the Aegean coast of Turkey.
The missions of the Amphibious Assault Su Altı Taarruz (SAT) include the acquisition of military intelligence, amphibious assault, counter-terrorism and VIP protection. They are trained and organized in a similar way to the U.S. Navy Seals who have close training relationships with them.
