SOM = air launched Cruise Missile family including network enabled C1/C2 variants to hit mobile surface Ships
ATMACA = Anti ship Missile ..... which will be in service by 2020
ATMACA missile will be deployed from Submarines and surface ships such as ADA class Corvettes, ISTIF class Frigates and TF-2000 class Destroyers
also there will be coastal defense missile variant , similar to HARPOON Block I coastal missile defense system based on truck
also ATMACA Block II with network enabled capability and RF+IIR seeker for land attack/anti ship capabilities , as like HARPOON Block II with land attack/anti ship capabilities
GEZGIN = Naval Cruise Missile to be deployed from Submarines and Destroyers .... also there will be land based variant
Turkiye will be 3rd country in NATO that use its own Naval Cruise Missile after the US and France
-- The US TOMAHAWK
-- France MdCN
-- Turkiye GEZGIN
THE US : AGM-158C LRASM air launched stealthy anti-ship cruise missile
THE US : HARPOON Block I and Block II anti ship missiles
THE US : TOMAHAWK long range Naval Cruise missile for land-attack operations
TURKIYE : SOM C1/C2 air launched stealthy anti-ship cruise missile
TURKIYE : ATMACA Block I and Block II anti ship missiles
TURKIYE : GEZGIN long range Naval Cruise missile for land-attack operations