Navy pay scales are directly proportional to the rank and amount of time a person has served in the Navy. Pay scales for the Navy personnel are further modified by their full-time or part-time status. More » Government & Politics Military

The pH scale is a measure of how acidic or basic a liquid substance is. The pH is calculated as a negative logarithmic function of the concentration of hydrogen ions, which are acidic by nature. A high concentration of h... More » Science Chemistry Acids & Bases

Although shampoos vary in acidity and alkalinity, most shampoos range from 5 to 7 on the pH scale. The best shampoos are those that are slightly acidic to neutral. The higher the pH number, the harsher the shampoo on a p... More » Beauty & Fashion Hair Shampoo & Conditioner
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The official Department of the Navy website provides separate rank structure charts for enlisted personnel and commissioned and warrant officers, and the charts include the pay grade, rate, abbreviation and insignia for ... More » Government & Politics Military

Navy ranks begin with Chief Warrant Officers and end with Fleet Admiral, a wartime-only rank. In between are junior officers -- Ensigns, Lieutenants Junior Grade, Lieutenants, Lieutenant Commanders -- and senior officers... More » Government & Politics Military

Pay rates for Navy enlisted ranks vary by rank and years of service. There are two levels of enlisted ranks: E-1 to E-5 and E-6 to E-9. The Defense Finance and Accounting Service has a complete list of military pay chart... More » Government & Politics Military

A U.S. Navy Chief Petty Officer is the seventh highest rank among enlisted personnel in the Navy. The rank is above petty officer first class, but below senior chief petty officer. More » Government & Politics Military