My military experience was let’s just say in the last century and MREs have gone through some pretty decent changes and updates since the time I was chowing down. For those who don’t know what an MRE is, the Acronym stands for Meal Ready to Eat and this is what is given to our soldiers when they aren’t near a mess hall. When I was in the field we would usually get an MRE for lunch. Breakfast and dinners would be a hot meal, or it started out as hot when we crowded around the mess tent or the insulated containers they drove out to us on the back of a jeep. By the time you got somewhere to eat your meal it was usually cold. We would only go to the field in the winter time naturally.
This group consists of people who live in tornado, hurricane, flood, wildfire, earthquake or heavy snowfall-prone areas and want to be prepared for possible emergencies.[34] They invest in material for fortifying structures and tools for rebuilding and constructing temporary shelters. While assuming the long-term continuity of society, some may have invested in a custom-built shelter, food, water, medicine, and enough supplies to get by until contact with the rest of the world resumes following a natural emergency.[31]
It isn't hysteria, and GMO isn't 'evolution'. One of the biggest issues for preppers and survival is that GMO seeds will not reproduce in the same way if the seeds are saved and re-used. In fact, in many instances (maybe all?), it's illegal to save the seeds and re-use them! It's far better to track down heirloom seeds that are native to your area and/or compatible with your climate. A good place to start looking is 
  ×