Military Ranks

Military Ranks for the Army, Navy, Air Force, and Marines.

Grade	Army	Marines
E1	Private	Private
E2	Private	Private 1st Class
E3	Private 1st Class	Lance Corporal
E4	Corporal / Specialist 4	Corporal
E5	Sergeant	Sergeant
E6	Staff Sergeant	Staff Sergeant
E7	Sergeant 1st Class	Gunnery Sergeant
E8	1st/Mst Sergeant	1st/Master Sergeant
E9	Sergeant Major	Sgt Major/Mgy Sergeant
W1	Warrant Officer	Warrant Officer
W234	Chief Warrant Officer	Chief Warrant Officer
O1	2nd Lieutenant	2nd Lieutenant
O2	1st Lieutenant	1st Lieutenant
O3	Captain	Captain
O4	Major	Major
O5	Lieutenant Colonel	Lieutenant Colonel
O6	Colonel	Colonel
O7	Brigadier General *	Brigadier General *
O8	Major General **	Major General **
O9	Lieutenant General ***	Lieutenant General ***
O10	General ****	General ****
O11	General of Army *****	n/a

Grade	Air Force	Navy
E1	Airman Basic	Seaman Recruit
E2	Airman	Seaman Apprentice
E3	Airman 1st Class	Seaman
E4	Senior Airman	Petty Officer 3rd Class
E5	Staff Sergeant	Petty Officer 2nd Class
E6	Technical Sergeant	Petty Officer 1st Class
E7	Master Sergeant	Chief Petty Officer
E8	Senior Master Sergeant	Sr Chief Petty Officer
E9	Chief Master Sergeant	Master Chief Petty Officer
W1	Warrant Officer	Warrant Officer
W234	Chief Warrant Officer	Chief Warrant Officer
O1	2nd Lieutenant	Ensign
O2	1st Lieutenant	Lieutenant Jr. Grade
O3	Captain	Lieutenant
O4	Major	Lieutenant Commander
O5	Lieutenant Colonel	Commander
O6	Colonel	Captain
O7	Brigadier General *	Rear Admiral (Lower Half)*
O8	Major General **	Rear Admiral (Upper Half) **
O9	Lieutenant General ***	Vice Admiral ***
O10	General ****	Admiral ****
O11	General of the Air Force *****	Fleet Admiral *****