In my tours in Afghanistan we used a lot of “connex”/shipping containers for bunkers. Keep in mind that this was AFTER we hardened them with additional steel “I” beams and a lot of extra welding and they were placed above ground surrounded by HESCO barriers and covered on top with about 3 feet of sand bags. The ceiling would bow inward from the weight even in spite of the reinforcement and the bunkers that had been there for several years would leak and the ceiling and walls were warped pretty badly. They worked great for incoming rocket fire and mortars… Read more »
Freeze-dried food is nothing new. As early as the 13th century, the ancient Quechua and Aymara people of Bolivia and Peru pioneered a form of the process by exposing potatoes to the freezing temperatures of the Andes overnight, then drying them in the sun. In 1937, Nestlé used industrial technology to create the world’s first freeze-dried coffee, and in the 60s and 70s, the US military shipped freeze-dried food rations to the troops in Vietnam.