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.
Excess Calorie Intakes: A Risk Factor Common to All Age Groups. Nutritional Requirements Throughout the Life Cycle: Fertility. Nutritional Requirements Throughout the Life Cycle: Infancy and Early Childhood. Nutritional Requirements Throughout the Life Cycle: Later Years. Nutritional Requirements Throughout the Life Cycle: Pregnancy and Lactation