The ships took their positions, and you should decide how you will play: together or alone. In any case, shots will need to be fired in turn. However, you will not see your opponent. The only hint will be the distance indicated on the top panel. Your rocket will fly with different ranges and this mainly depends on the angle by which you lift the barrel of the gun. Adjust it until you reach the result. But it will only be valid at a certain distance, when it changes, you must also change the strategy in Turn Based Ship War.