> Pentagon has plan for X, for values of X that are possible, is literally the job. To wit: "War Plan Red" is an US old war plan, developed in the 20s and 30s,

> Pentagon has plan for X, for values of X that are possible, is literally the job. To wit: "War Plan Red" is an US old war plan, developed in the 20s and 30s, for a war with Britain/Canada, fought entirely in Canada (https://en.wikipedia.org/wiki/War_Plan_Red https://en.wikipedia.org/wiki/War_Plan_Red). Similarly, "Defence Scheme No. 1" was Canada's plan for a surprise invasion of the US (https://en.wikipedia.org/wiki/Defence_Scheme_No._1 https://en.wikipedia.org/wiki/Defence_Scheme_No._1). "War Plan White", from the same series, dealt with a domestic uprising (https://en.wikipedia.org/wiki/United_States_color-coded_war_plans#List_of_color_plans https://en.wikipedia.org/wiki/United_States_color-coded_war_...).