Minimum Time to Advance

E-1 Seaman Recruit
E-2 Seaman Apprentice 9 Months
E-3 Seaman 9 Months
E-4 Petty Officer Third Class 6 Months + EVAL + Advancement TEST
E-5 Petty Officer Second Class 12 Months + EVAL + Advancement TEST
E-6 Petty Officer First Class 36 Months + EVAL + Advancement TEST
E-7 Chief Petty Officer 36 Months + EVAL + Advancement TEST
E-8 Senior Chief Petty Officer 36 Months + EVAL + Advancement TEST
E-9 Master Chief Petty Officer 36 Months + EVAL + Advancement TEST