 Marine Amphibious Brigade Planning, NAB Coronado CA, Aviation Staff Planning Course, LFTCPAC Coronado CA, NATO Electronic Warfare Course at SHAPE Headquarters in Oberammergau, West Germany, Air Control Operations Course, LFTCLANT, BLT/RLT Operations Planning, LFTCLANT, Little Creek VA, Electronic Warfare Course conducted by the German Army at the German Army Signal School, Feldafing GDR.In 1988, MWCS-48 was adding detachments on the coasts.Andrew B. Davis, then a lieutenant colonel in command of the squadron, decided to create a new unit logo that would unify MWCS-48's detachments over their shared culture, honor MWCS-48's history in the Chicago area, and honor its history as one of the few units of US Marines headquartered in Illinois.