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) .
Unopened dried spices have a shelf life of up to two or three years, depending on the specific spice and whether it is a whole spice or a ground spice.A rule of thumb is that whole spices (such as peppercorns, cinnamon sticks, and cloves) have the longest life. Ground herbs and spices are generally more fragile.nopened dried spices have a shelf life of up to two or three years, depending on the specific spice and whether it is a whole spice or a ground spice.