In 1958 the Army added two grades to the NCO ranks. With the addition of these grades, the ranks of the NCO were corporal, sergeant, staff sergeant, sergeant first class, master sergeant and sergeant major.
DRI is the general term for a set of reference values used to plan and assess nutrient intakes of healthy people. These values, which vary by age and gender, include: Recommended Dietary Allowance (RDA): average daily level of intake sufficient to meet the nutrient requirements of nearly all (97%-98%) healthy people.
Updated April 19, 2017. It's important that we eat enough protein each day to cover our body's needs. There are two ways of calculating a person's protein requirements. The standard minimum amount of daily protein recommended is .37 gram per pound of body weight (or .8 grams per kilogram of body weight). Although, your own personal needs may vary based on multiple factors including your age, activity level, and weight loss goals, let's start off easy.