The following is a partial list of military tombstone abbreviations used in American cemeteries.
United States
Ranks BBG = Brevet Brigadier General BGEN = Brigadier General BMG = Brevet Major General CAPT = Captain CDR = Commander CMSGT = Chief Master Sergeant COL = Colonel CPL = Corporal CPT = Captain CSGT = Commissary Sergeant ENS = Ensign GEN = General LCDR = Lieutenant Commander LCPL = Lance Corporal LGEN = Lieutenant General LT = Lieutenant 1LT = First Lieutenant (2LT = Second Lieutenant, and so on) LTC = Lieutenant Colonel MAJ = Major MGEN = Major General MSGT = Master Sergeant NCO = Non-Commissioned Officer OSGT = Ordnance Sergeant PFC = Private First Class PVT = Private PVT 1CL = Private First Class QM = Quartermaster QMSGT = Quartermaster Sergeant SFC = Sergeant First Class SGM = Sergeant Major SGT = Sergeant SMSGT = Senior Master Sergeant SPC = Specialist TSGT = Technical Sergeant WO = Warrant Officer
U.S. Civil War (1861–1865)
Regiments 58 PENN. INF. = 58th Regiment of the Pennsylvania Infantry Volunteers 185 N.Y. INF. = 185th Regiment of the New York Infantry Volunteers
Divisions CO. G = Company G CO. K = Company K
World War I (1917–1918)
Divisions 17 CO = 17th Company
See also United States Department of Veterans Affairs emblems for headstones and markers
References
National Cemetery Administration: Headstone and Marker Inscription Abbreviations