Designated Survivor

I’m watching bthe new series, Designated Survivor, starring Kiefer Sutherland, who portrays a low level cabinet member who on the night of the State Of The Union address, is chosen not to attend under the designated survivor rule, which ensures the American government keeps up and running in the event of an catistrophlc event i.e. a terrorist dropping a bomb on the capital building, killing everyone who would be “next in line” to become the President, now Kiefer Sutherland’s character becomes president, due to the aforementioned designated survivor rule/