Definition & Meaning of "iron rations"

What are "iron rations"?

Iron rations refer to emergency or survival rations provided to individuals, typically in military or outdoor settings. These rations are designed to provide essential nutrients and sustenance to individuals in situations where access to regular food supplies may be limited or unavailable. Iron rations often consist of non-perishable food items that are durable and easy to transport, such as canned goods, dried fruits, nuts, energy bars, or dehydrated meals. The term "iron" may reflect the durability and resilience of these rations, as they are meant to withstand harsh conditions and provide sustenance during times of need.