Aviation Machinist's Mate (AD)
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E-4 - 4" Wide by 5" High
E-5 - 4" Wide by 5.4" High
E-6 - 4" Wide by 6.2" High
E-7 - 4" Wide by 6.2" High
E-8\E-9 - 4" Wide by 8.25" High
The example below is of where Crow, Rating, and Outline, is White and Gold Stripes:
The example below is of where Crow, Rating, and Outline, is Black and Red Stripes:
Aviation Machinist's Mates (AD) (abbreviated as AD) is a United States Navy occupational rating.
Aviation Machinist's Mates (AD) maintain, inspect, troubleshoot, preserve, and de-preserve aircraft engines and their related systems, including fuel, lubrication, compression, combustion, exhaust, accessory gearbox, aircraft mounted accessory drive, propeller, anti-ice, and bleed air systems; conduct special and conditional inspections and oil analysis; functional checks and required adjustments on engines and related systems; and supervise and provide training to powerplant work centers.