I do not know how to support that.
The entity name of the normal turret.
at-cannon-turret-mk1 = Cannon Turret
at-cannon-turret-mk2 = Cannon Turret mk2
at-rocket-turret-mk1 = Rocket turret
at-rocket-turret-mk2 = Rocket turret mk2
Names can easily be retrieved by referencing the files in the locale.