Meal more filling than snacks. The type of meal served or eaten at any given time varies by custom and location. In most modern cultures, three main meals are eaten: in the morning, early afternoon, and evening. Further, the names of meals are often interchangeable by custom as well. Some serve dinner as the main meal at midday, with supper as the late afternoon/early evening meal; while others may call their midday meal lunch and their early evening meal supper. Except for "breakfast", these names can vary from region to region or even from family to family. A study in 2016
Meal, Ready-to-Eat per MRE have been made, more studies are showing many servicemembers still do not meet today's standards of daily consumption, often trading and discarding portions of the ration. Researchers continue to study the habits and eating preferences of servicemembers, making constant changes that encourage servicemembers to eat the entire meal and thus get full nutritional value. In addition, the military has experimented with new assault ration prototypes, such as the First Strike Ration and the HOOAH! Bar, designed with elite or specialized forces in mind. Lighter than the typical MRE, they require no preparation and allow servicemembers to eat them