Home Page World War II Armed Forces – Orders of Battle and Organizations Last Updated 31.12.99
United States of America Armed Forces
Ranks
 
Grade Army Marine Corps Navy Coast Guard
G5   General of the Army       Admiral of the Fleet    
G4 GEN General     Adm. Admiral    
G3 LTG Lieutenant General LTG Lieutenant General V.Adm. Vice Admiral    
G2 MG Major General MG Major General R.Adm. Rear Admiral R.Adm. Rear Admiral
G1 BG Brigadier General BG Brigadier General Comd. Commodore [1] Comd. Commodore [1]
O6 COL Colonel COL Colonel Capt. Captain Capt. Captain
O5 LTC Lieutenant Colonel LTC Lieutenant Colonel Cdr. Commander Cdr. Commander
O4 MAJ Major MAJ Major Lt. Cdr. Lieutenant Commander Lt. Cdr. Lieutenant Commander
O3 CPT Captain CPT Captain Lt. Lieutenant Lt. Lieutenant
O2 1LT 1st Lieutenant  1LT 1st Lieutenant  Lt. (jg) Lieutenant (junior grade) Lt. (jg) Lieutenant (junior grade)
O1 2LT 2nd Lieutenant  2LT 2nd Lieutenant  Ens. Ensign Ens. Ensign
[1] Up to April 1943 the rank of Commodore was Rear Admiral (Lower Half), and Rear Admiral was know as Rear Admiral (Upper Half).
 
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