If the Following Argument Is an Instance of One of the "Famous

Short Answer

If the following argument is an instance of one of the "famous" argument forms, name the form and indicate whether the form is valid or invalid; if the argument is NOT an instance of one of the "famous" forms, simply write "unnamed form."
Either we should launch a preemptive strike or else we should adopt a policy of containment. We should not launch a preemptive strike. Therefore, we should adopt a policy of containment.