Groundside ranks : Marines

Role	Starting	After 10hrs	After 25 hours	After 100hrs	After 300hrs	After 1000hrs
Field Commander	Lieutenant (LT)		Major (MAJ)		Lieutenant Colonel (LTCOL)
Squad Leader	Sergeant (SGT)		Staff Sergeant (SSGT)	Gunnery Sergeant (GYSGT)
Squad Smartgunner	Lance Corporal (LCPL)		Corporal (CPL)	Sergeant (SGT)
Squad Engineer	Lance Corporal (LCPL)		Corporal (CPL)	Sergeant (SGT)
Squad Corpsman	Lance Corporal (LCPL)		Corporal (CPL)	Sergeant (SGT)
Squad Marine	Private (PVT)	Private First Class (PFC)		Lance Corporal (LCPL)	Section Corporal (SCPL)	Master Sergeant (MSGT)

Chain of Command

TGMC Roles
	TerraGov Marines Ranks	Command	Captain, Field Commander, Staff Officer, Pilot Officer, Transport Officer, Mech Pilot
		Vehicle Crew	Assault Crewman, Transport Crewman
		Engineering and Supply	Chief Ship Engineer, Requisitions Officer, Ship Technician
		Medical	Chief Medical Officer, Medical Doctor, Researcher
		Marines	Squad Leader, Squad Smartgunner, Squad Engineer, Squad Corpsman, Squad Marine
		Civilians	Corporate Liaison
		Silicon	Combat robots, Synthetic, AI
	Xenomorphs Playtime	Tier 0	Larva, Minions
		Tier 1	Drone, Runner, Defender, Sentinel
		Tier 2	Hivelord, Carrier, Hunter, Wraith, Bull, Warrior, Puppeteer, Spitter, Pyrogen
		Tier 3	Gorger, Defiler, Widow, Ravager, Warlock, Behemoth, Crusher, Praetorian, Boiler
		Tier 4	Shrike, Queen, King, Hivemind
	Others		Zombie, Emergency Response Teams, Sons of Mars, ~~Survivor~~

@@ Line 10: / Line 10: @@
   ! '''After 1000hrs'''
 |-
-| Field Commander || Lieutenant (LT) || || || Major (MAJ) || Lieutenant Colonel (LTCOL)
+| Field Commander || Lieutenant (LT) || || Major (MAJ) || || Lieutenant Colonel (LTCOL)
 |-
 | Squad Leader || Sergeant (SGT) || || Staff Sergeant (SSGT) || Gunnery Sergeant (GYSGT)