Rank Structure

Question 1

No Insignia

Answer 1

Private

E-1

Answer 2

Private First Class

E-2

Answer 3

Lance Corporal

E-3

Answer 4

Corporal

E-4

Answer 5

Sergeant

E-5

Answer 6

Staff Sergeant

E-6

Answer 7

Gunnery Sergeant

E-7

Answer 8

Master Sergeant (MSgt)

E-8

Answer 9

First Sergeant (1stSgt)

E-8

Answer 10

Master Gunnery Sergeant (MGySgt)

E-9

Answer 11

Sergeant Major (SgtMaj)

E-9

Answer 12

Sergeant Major of the Marine Corps

E-9

Answer 13

Infantry Weapons Officer

“Marine Gunner”

Question 14

-

Answer 14

Warrant Officer (WO)

W-1

Answer 15

Chief Warrant Officer-2 (CWO2)

W-2

Answer 16

Chief Warrant Officer-3 (CWO3)

W-3

Answer 17

Chief Warrant Officer-4 (CWO4)

W-4

Answer 18

Chief Warrant Officer-5 (CWO5)

W-5

Answer 19

Second Lieutenant (2ndLt)

O-1

Answer 20

Captain (Capt)

O-3

Answer 21

First Lieutenant (1stLt)

O-2

Answer 22

Major (Maj)

O-4

Answer 23

Lieutenant Colonel (LtCol)

O-5

Answer 24

Colonel (Col)

O-6

Question 25

[](http://upload.wikimedia.org/wikipedia/commons/2/23/US-O7_insignia.svg)

Answer 25

Brigadier General (BGen) O-7

Question 26

[](http://upload.wikimedia.org/wikipedia/commons/9/91/US-O8_insignia.svg)

Answer 26

Major General (MajGen) O-8

Question 27

[](http://upload.wikimedia.org/wikipedia/commons/d/da/US-O9_insignia.svg)

Answer 27

Lieutenant General (LtGen) O-9

Question 28

[](http://upload.wikimedia.org/wikipedia/commons/4/40/US-O10_insignia.svg)

Answer 28

General (Gen) O-10