Commissioned Ranks

• 1). Abbreviate the lowest commissioned rank for the Army and Marine Corps---Second Lieutenant---as 2LT and 2nd Lt., respectively. In the Navy, this position is called Ensign and is abbreviated ENS.
  
  
• 2). Abbreviate the next commissioned rank for the Army and Marine Corps---First Lieutenant---as 1LT and 1st Lt., respectively. In the Navy, this position is called Lieutenant Junior Grade and is abbreviated LTJG.
  
  
• 3). Abbreviate the next commissioned rank for the Army and Marine Corps---Captain---as CPT and Capt., respectively. In the Navy, this rank is the Lieutenant's rank and is abbreviated LT.
  
  
• 4). Abbreviate the next commissioned rank for the Army and Marine Corps---Major---as MAJ and Maj., respectively. In the Navy, this rank is called Lieutenant Commander and is abbreviated LCDR.
  
  
• 5). Abbreviate the next commissioned rank for the Army and Marine Corps---Lieutenant Colonel---as LTC and Lt. Col., respectively. In the Navy, this position is the Commander and is abbreviated CDR.
  
  
• 6). Abbreviate the next commissioned rank for the Army and Marine Corps---Colonel---as COL and Col., respectively. In the Navy, this position is the Captain and is abbreviated CAPT.
  
  
• 7). Abbreviate the next commissioned rank for the Army and Marine Corps---Brigadier General---as BG and Brig. Gen., respectively. In the Navy, this position is the Rear Admiral Lower Half and is abbreviated RDML.
  
  
• 8). Abbreviate the next commissioned rank for the Army and Marine Corps---Major General---as MG and Maj. Gen., respectively. In the Navy, this position is the Rear Admiral Upper Half and is abbreviated RADM.
  
  
• 9). Abbreviate the next commissioned rank for the Army and Marine Corps---Lieutenant General---as LTG and Lt. Gen., respectively. In the Navy, this position is the Vice Admiral and is abbreviated VADM.
  
  
• 10
  
  Abbreviate the highest commissioned rank for the Army and Marine Corps---General---as GEN and Gen., respectively. In the Navy, this position is the Admiral and is abbreviated ADM.
  
  

Warrant Officers

• 1). Abbreviate the first warrant officer rank---Warrant Officer 1---as WO1 for the Army and Navy and WO for the Marine Corps.
  
  
• 2). Abbreviate the second warrant officer rank---Chief Warrant Officer 2---as CW2 for the Army and CWO2 for the Navy and Marine Corps.
  
  
• 3). Abbreviate the third warrant officer rank---Chief Warrant Officer 3---as CW3 for the Army and CWO3 for the Navy and Marine Corps.
  
  
• 4). Abbreviate the fourth warrant officer rank---Chief Warrant Officer 4---as CW4 for the Army and CWO4 for the Navy and Marine Corps.
  
  
• 5). Abbreviate the fifth warrant officer rank---Chief Warrant Officer 5---as CW5 for the Army and CWO5 for the Navy and Marine Corps.