Petty Officer Second Class is the fifth enlisted rank in the U.S. Navy, just above Petty Officer Third Class and below Petty Officer First Class, and is a non-commissioned officer.

Similar to Petty Officer Third Class, advancement to Petty Officer Second Class is dependent on time in service, performance evaluations by superiors, and rate (technical specialty) examinations. The advancement cycle is currently every 6 months. Only a certain number of billets (job openings for this rank) open up biannually and all petty officers third class compete. The top scorers are chosen for advancement, but only in sufficient quantities to fill the billets available.

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• Petty Officer
• U.S. Navy enlisted rate insignia
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