The defence of the Death Star's equatorial trench are made up of the formidable twin turbo-laser towers and the single turbo-laser batteries housed in the walls of the trench.
Grand Moff Tarkin over sees these defences as part of his rigorous command of the Death Star. Here we see him inspecting one of the single turbo-lasers and it's crew of Death Star Gunners.
The helmets of these Death Star Gunners have been made by myself and are available for sale.
Each of the four man crew play a vital role in the operation of the gun.
starting on the right:- movement of the gun-rotation and elevation, commander and fire control, Aiming and communication with fire control and finally coolant and waste gas operator.