The Third Brigade has a rich history. Below are a list of units once active within Third Brigade’s Area of Operations.

Unit	Nickname	Support Chapter	Status
88MSG/2BN	Hearts of Darkness	USS HECATE	Transferred to 7BDE SEP2018
300MSG/2BN	Titan Squadron	USS NAVARAS	Deactivated JUN2013
302MSG/2BN	The Horse Marines	USS ZAVALA	Deactivated 2JAN2021 Reactivated 12JAN2021
303MSG/1BN	Air Wolves	USS RAVENSCLAW	Disbanded 01DEC2016
308MSG/2BN	Crimson Raiders	USS GUNSLINGER	Deactivated DEC2014
310MSG/1BN	Razorfangs	USS NEW ORLEANS	Reactivated 15MAY2018
310MEU/1BN	Razorfangs	N/A	Deactivated 20APR2019
312MSG/2BN	Knights of Justice	USS JARESH-INYO	Deactivated Date
314MSG/2BN	Creeping Death	USS FIREBIRD	Disbanded 01AUG2016
317MSG/1BN	Hyenas	USS HARLEQUIN	Disbanded 17FEB2020
318MSG/2BN	The Providers	USS LONE STAR	Deactivated 01AUG2015
321MSG/2BN	Pythons	USS AURORA VULCANUS	Transferred to 4BDE
323MSG/2BN	Logistical Studies Group	ARK ANGEL STATION	Deactivated 20JUN2019
324MSG/2BN	The Unholy Trinity	USS VICTORY	Deactivated Date
324MSG/2BN	Hippocrates Warriors	RETRIBUTION STATION	Disbanded 01OCT2016
324MSG/2BN	The Watchmen	RETRIBUTION STATION	Reactivated 01JAN2019
324MEU/2BN	The Watchmen	N/A	Reactivated 01AUG2020
325MSG/2BN	Zombie Dogs	USS VULCAN’S FORGE	Deactivated 19AUG2020
326MSG/1BN	Brigantines	USS LAFITTE	Deactivated DEC2014
329MSG/1BN	The Rougarous	USS NEW ORLEANS	Disbanded 01OCT2016
330MSG/1BN	Twisted Fates	USS REAPER	Reactivated 16OCT2020 Disbanded 3JAN2021
333MSG/2BN	Phoenix Squadron	USS REGULATOR	Reactivated JUL2017
336MSG/2BN	Harringron’s Wolves	USS SPIRITWOLF	Deactivated 12JAN2020
338MEU/1BN	Feu Follet	n/a	Deactivated DEC2014
342MSG/2BN	The Royal Dragoon Guards	USS TEXAS	Deactivated 06APR2018
345MSG/1BN	Grim Reapers	USS RAVENSCLAW	Deactivated 28SEP2014
347MEU/2BN	Wolfpack Omega	n/a	Deactivated Date
347MSG/2BN	Ensis Orionis	n/a	Deactivated 01APR2015
348MCU/2BN	Spectre Squadron	USS DAEDALUS	Deactivated Date