 MALS-42 has provided aviation logistical support at CAX during annual training periods, conducted off-site training evolutions at MALS-14, MALS-26 and MALS-39.In 1996, MALS-42 was tasked to draft the Fleet Replacement Squadron (FRS) Plan under which a Reserve Marine Aviation Logistics Squadron (MALS) would be activated to replace an intermediate level maintenance squadron during a Major Regional Conflict (MRC).MALS-42 was activated 13 February 2003 and assigned to 3rd Marine Aircraft Wing in order to execute the Fleet Replacement Squadron (FRS) Mission in support of Operation Iraqi Freedom (OIF).