The A-ration is a United States military ration consisting of fresh, refrigerated, or frozen foods. A-rations may be served in dining facilities, prepared in the field using field kitchens, or prepare
United States Marine Corps-issued A-ration, colloquially known as a "bag nasty" or "box nasty". In this case the box held two sandwiches, cereal, fresh fruit, crackers, peanut butter, jam, a muffin, salt, pepper, and a drink.