These supported units may be in garrison, combat, and/or in separate locations.
The MLG will Support the MAGTF in amphibious assaults and subsequent operations ashore The 4th Marine Logistics Group (MLG) comprises a Headquarters and Service Battalion along with two Combat Logistics Regiments (CLR), each CLR contains two Combat Logistics Battalions.
During January 1968, the headquarters relocated to the Marine Reserve Training Center, Orlando, Florida.
The headquarters again relocated to the Navy and Marine Corps Reserve Training Center, Atlanta, Georgia during 1971.
The flag of the 4th FSSG was moved to its present site in New Orleans in February 1992.