According to latest data on thermonuclear threat, we all could be history in five minutes. This blows the idea of group 1 Preppers getting to their Bug Out location, narrowing possible survivors to those who already live in their retreats. Even so, unless they are group 2 growing gardens a la Findhorn or Perlandra, they won't last long. Then there's the third groups, those chosen for The Mission with the ET's/White Brotherhood to restore Earth after Teowaki (which may include some of group 1 and 2. Group 3 knows who they are, and have refined advanced skills, think way outside the box, maintain communication with their group 3 mentors, and have long since dedicated seclusion per The Mission.