Artillery capture

[krmiller]

You can move onto an uncrewed gun if it is alone in a hex or melee it, it then becomes Overrun.
At  the start of the next turn it becomes Captured.
I believe that is done because the manual says you cannot fire or spike a gun on the turn you overrun it.
So it is noted as Overrun the turn you take it and Captured on the next turn so the game can track it.