Navy and Marine Corps Rank Structure

Vocabulary practice flashcards covering Enlisted (E1-E9) and Officer (O1-O10) rank equivalencies for the US Navy and US Marine Corps.

E1

Seaman Recruit (Navy) / Private (Marines)

E2

Seaman Apprentice (Navy) / Private First Class (Marines)

E3

Seaman (Navy) / Lance Corporal (Marines)

E4

Petty Officer Third Class (Navy) / Corporal (Marines)

E5

Petty Officer Second Class (Navy) / Sergeant (Marines)

E6

Petty Officer First Class (Navy) / Staff Sergeant (Marines)

E7

Chief Petty Officer (Navy) / Gunnery Sergeant (Marines)

E8

Senior Chief Petty Officer (Navy) / Master Sergeant or First Sergeant (Marines)

E9

Master Chief Petty Officer (Navy) / Master Gunnery Sergeant or Sergeant Major (Marines)

O1

Ensign (Navy) / Second Lieutenant (Marines)

O2

Lieutenant Junior Grade (Navy) / First Lieutenant (Marines)

O3

Lieutenant (Navy) / Captain (Marines)

O4

Lieutenant Commander (Navy) / Major (Marines)

O5

Commander (Navy) / Lieutenant Colonel (Marines)

O6

Captain (Navy) / Colonel (Marines)

O7

Rear Admiral Lower Half (Navy) / Brigadier General (Marines)

O8

Rear Admiral Upper Half (Navy) / Major General (Marines)

O9

Vice Admiral (Navy) / Lieutenant General (Marines)

O10

Admiral (Navy) / General (Marines)