"USAF COGNIZANT ENGINEER HAS DEEMED THAT THIS ITEM IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL IAW AFI 20-106"
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"USAF COGNIZANT ENGINEER HAS DEEMED THAT THIS ITEM IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL IAW AFI 20-106"