Trump can't just pick up the phone can give a sub commander a direct order to launch the nukes (in particular because the boomers are incommunicado, so he needs

Trump can't just pick up the phone can give a sub commander a direct order to launch the nukes (in particular because the boomers are incommunicado, so he needs to follow a certain protocol). There will be a number of officers on land who will need to relay his orders. And those officers will refuse to do so.