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.
Air Force Ranks Â» Colonel Rank â¢ Col Pay â¢ Col Rank History. A Colonel is a field officer in the United States Air Force at DoD paygrade O-6. A Colonel receives a monthly basic pay salary starting at $6,399 per month, with raises up to $11,328 per month once they have served for over 40 years.