An apparatus. The apparatus includes electrical circuitry for selectably controlling a first and a second weapon system different from the first weapon system. The electrical circuitry includes a first switch including a first pole and a pole. The apparatus also includes a first connector having a first terminal coupled to a common terminal of the first pole. A second connector has a first terminal coupled to a common terminal of the second pole. The first connector is configured to couple to a first weapon system mounted on a mobile platform; and the second connector is configured to couple to a second weapon system mounted on the mobile platform. The first weapons system is configured to operate when the first switch is in a first positon and the second weapon system is configured to operate when the first switch is in a second position.