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.
The adult recommendation for the daily diet is 45 to 65 percent carbohydrate, 10 to 35 percent protein and 20 to 35 percent fat. Children and teens need slightly more dietary fat than adults because fat is essential for brain development and adolescent growth.