Octane ratings are posted on fuel dispensers. CAUTION: Follow the fuel recommendations in your vehicle owner's manual. If your vehicle requires premium 91 or higher octane fuel, use a premium grade of gasoline. The least amount that's necessary to prevent detonation (spark knock). On most vehicles, that would be regular unleaded 87 octane gasoline.
The basic pay for any member of the U.S. military is based on two factors, rank and time of service. For an Air Force E-4, pay begins at $1,947 a month, or $23,364 a year, for those with less than two years of service.
In the U.S. Air Force, an airman first class with less than two years of military service earns a monthly pay rate of $1,729.80, as of March 2011. In the U.S. Air Force, an airman first class with more than two but less than three years of military service earns a monthly pay rate of $1,838.70, as of March 2011.In the U.S. Air Force, an airman first class with three years of military service earns a monthly pay rate of $1,950, as of March 2011.hese service personnel are relatively new to the Air Force, usually with less than three years of military service under their belts. An E-3 will receive a pay raise for each year of service up to the third year. Pay is then capped and the airman is expected to move up through the ranks.