Read the passage: 'Military rank establishes a clear hierarchy that governs authority and responsibility. Enlisted members progress through a series of grades designated by pay grade, from E-1 to E-9. Officers hold grades from O-1 to O-10, with general and flag officers at the highest levels. Rank is indicated by insignia worn on the uniform.' What do pay grades E-1 through E-9 represent?
A) Officer grades from junior to senior
B) The progression of enlisted member ranks
C) The number of years a service member has served
D) Levels of security clearance
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A
Officer grades from junior to senior
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B
The progression of enlisted member ranks
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C
The number of years a service member has served
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D
Levels of security clearance