Army/Air Force/Marines

Navy/ Coast Guard

O-1

Second Lieutenant
(Army - 2LT)
(Air Force - 2d Lt)
(USMC - 2dLt)

Ensign (ENS)

O-2

First Lieutenant
(Army - 1LT)
(Air Force - 1st Lt)
(USMC - 1Lt)

Lieutenant Junior Grade (LTJG)

O-3

Captain
(Army - CPT)
(Air Force - Capt)
(USMC - Capt)

Lieutenant (LT)

O-4

Major
(Army - MAJ)
(Air Force - Maj)
(USMC - Maj)

Lieutenant Commander (LCDR)

O-5

Lieutenant Colonel
(Army - LTC)
(Air Force - Lt Col)
(USMJ - LtCol)

Commander (CDR)

O-6

Colonel
(Army - COL)
(Air Force - Col)
(USMC - Col)

Captain (CAPT)

O-7

Brigadier General
(Army - BG)
(Air Force - Brig Ben)
(USMC - BGen)

Rear Admiral (lower half) (RDML)

O-8

Major General
(Army - MG)
(Air Force Maj Gen)
(USMC - MGen)

Rear Admiral (upper half) (RADM)

O-9

Lieutenant General
(Army LTG)
(Air Force - Lt Gen)
(USMC - LtGen)

Vice Admiral (VADM)

O-10

General
(Army - GEN)
(Air Force - Gen)
(USMC - Gen)

Admiral (ADM)