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) .
Storage and Shelf Life of Over-the-Counter Medication â How Long is Too Long? Medicines, like food products, have an expiration date on their packaging. The expiration date on medication is the date beyond which the manufacturers can no longer guarantee full effectiveness or safe usage. Generally, over-the-counter medicines should have a shelf life of around four or five years, meaning they should last around that long after the date they are purchased.