NAVYWEEK.ORG
← Navy Reference
// Enlisted Paygrade · E-5 · NATO OR-5

PETTY OFFICER SECOND CLASS (PO2) — U.S. NAVY E-5

The Navy's mid-grade non-commissioned officer — work-center supervisors and senior watchstanders.

Eagle over two chevrons with rating mark — U.S. Navy Petty Officer Second Class crow
Insignia
Paygrade
E-5
Abbreviation
PO2
NATO Code
OR-5
Category
Enlisted Paygrade
Basic Pay (2026)
$2,985–$4,239/mo
Chief's Mess
No

OVERVIEW

Petty Officer Second Class (PO2) is the U.S. Navy E-5 enlisted paygrade. Promotion from PO3 to PO2 is competitive and requires passing the Navy-wide E-5 advancement exam, satisfactory evaluations, and time-in-rate. PO2s typically supervise multi-person work centers, lead complex shipboard or aviation maintenance evolutions, and are routinely qualified as senior watchstanders.

PO2s are addressed by their rating and paygrade — for example, "Operations Specialist Second Class (OS2)." They wear the rating mark on a crow consisting of an eagle over two chevrons.

RESPONSIBILITIES

  • Supervise a multi-Sailor work center
  • Lead routine and complex shipboard or aviation maintenance evolutions
  • Stand qualified senior watch as Engineering Officer of the Watch (EOOW) candidate, CIC Watch Officer, or aviation maintenance shift supervisor
  • Mentor and develop junior Petty Officers and Seamen

HISTORY

The "Second Class" Petty Officer designation dates to the U.S. Navy's mid-19th-century reorganization of enlisted grades. The two-chevron PO2 crow has been worn in roughly its current form since 1885.

The PO2 grade is widely considered the Navy's first true "supervisory NCO" grade — PO2s are the Sailors most commonly entrusted with running a discrete work center on their own.

PAY

E-5 basic pay · 2026 DFAS table
$2,985 – $4,239/ month
2026 DFAS basic pay table.
How to address
Verbally "Petty Officer Smith." In writing: rating + grade + name (e.g., "OS2 Jane Smith, USN").
Prerequisites
  • Pass the Navy-wide E-5 advancement exam in selected rating
  • Time-in-rate and time-in-service minimums per OPNAVINST
  • Satisfactory evaluations and warfare-qualification progress
Common assignments
  • Work-center supervisor in an assigned shipboard division
  • Senior watchstander in CIC, engineering, or aviation maintenance
  • "A"-school or "C"-school instructor at a Navy training command

ADJACENT RANKS

Previous · E-4Petty Officer Third ClassNext · E-6 Petty Officer First Class

RELATED BASE

Navy Base · VA
Naval Station Norfolk
PO2s serve as work-center supervisors aboard ships homeported at Naval Station Norfolk.

FREQUENTLY ASKED QUESTIONS

A Petty Officer Second Class is addressed verbally as "Petty Officer Smith." In writing, the Sailor's rating and paygrade are combined into a title like "OS2" (Operations Specialist Second Class) or "HM2" (Hospital Corpsman Second Class).

SOURCES

Last updated 2026-05-02
All Enlisted PaygradesFull Rank Structure