General Dynamics ' entry also mounted twin Oerlikon KDA cannons .
General Dynamics ' entry also mounted them side - by - side in a new aluminum turret , as opposed to either side of the turret as in the Gepard .
General Dynamics ' entry also mounted twin Oerlikon KDA cannons , but mounted them side - by - side in a new aluminum turret , as opposed to either side of the turret as in the Gepard .