Also found in: Dictionary, Acronyms, Wikipedia. (OPerations SECurity) Determining what information is publicly available in the normal course of operations that can be used by a competitor or enemy to its advantage. OPSEC is a common military practice that is also applied to civilian projects such as the development of new products and technologies. The Official Definition.
What a short duration is, and how it exactly impacts MRE shelf life, is anyoneâs guess. Chilling MREs in the fridge undoubtedly extends the shelf life of MREs, however it is not specified by how much. Some sites selling MREs claim they last as long as 130 months (almost 11 years) at 60 F (15 C) .
So, what is an MRE? The MRE (Meal, Ready to Eat) is a totally self-contained complete meal. One MRE equals one meal. The packaging of an MRE is designed to withstand rough conditions and exposure to the elements. Inside each MRE bag is an entree and a variety of other food and drink items. MREs come packaged in cases with 12 MREs per case. There are currently 24 different âmenusâ or varieties of MREs. Menus 1-12 are packaged in a case designated Case A and menus 13-24 are packaged in Case B. MREs are the main operational food ration for the United States Armed Forces.