Jargon Buster

Because a lot of our Star Trek lore posts carry a variety of militarized abbreviations, this guide is here to provide a quick reference for those in doubt.

Ranks	Roles
ADM - Admiral	CAG - Commander (of the) Air Group
BGEN - Brigadier General	CE - Chief Engineer
CAPT - Captain	CIO - Chief Intelligence Officer
CDOR - Commodore	Civ - Civilian
CDT - Cadet	Co - Counselling Officer
CENT - Centurion	CO - Commanding Officer
CDRGEN - Commander General	COO - Chief Operations Officer
CMDR - Commander	CMO - Chief Medical Officer
CPO - Chief Petty Officer	CSO - Chief Science Officer
CRW - Crewman	CT - Communications Technician
CSp - Chief Specialist	CTO - Chief Tactical Officer
CWO - Chief Warrant Officer	DC - Deck Chief
ENS - Ensign	DCE - Damage Control Engineer
FADM - Fleet Admiral	EA - Executive Assistant
FLT - Flight Lieutenant	EO - Engineering Officer
GEN - General	ET - Engineering Technician
LCDR - Lieutenant Commander	FO - Flight Officer
LGEN - Lieutenant General	HCo - Head Counsellor
LT - Lieutenant	HS - Head Steward
LTJG - Lieutenant (Junior Grade)	IO - Intelligence Officer
MCPO - Master Chief Petty Officer	MO - Medical Officer
MGEN - Major General	NO - Navigation Officer
PO - Petty Officer	OO - Operations Officer
RADM - Rear Admiral (Upper)	OoW - Officer of the Watch
RDML - Rear Admiral (Lower)	Op - Operative
SCDR - Sub-Commander	PC - Platoon Chief
SCPO - Senior Chief Petty Officer	POC - Platoon Operations Commander
SCSp - Senior Chief Specialist	S-HT - Specialist - Holotechnology
Sp - Specialist	S-IE - Specialist - Impulse Engines
SrADM - Senior Admiral	S-QC - Specialist - Quartermaster's Clerk
SUBADM - Sub-Admiral	S-RA - Specialist - Research Assistant
SUBLT - Sub-Lieutenant	S-TS - Specialist - Tactical Support
VADM - Vice Admiral	S-XB - Specialist - Xenobiology
WO - Warrant Officer	SeC - Security Chief
	SeO - Security Officer
	SO - Science Officer
	TC - Troop Chief
	TO - Tactical Officer
	TrC - Transporter Chief
	TrO - Transporter Operator
	TUOC - Task Unit Operations Commander
	XO - Executive Officer