1st Air Naval Gunfire Liason Company (1st ANGLICO) Expeditionary Units: I Marine Expeditionary Force Headquarters Group The unit's mission is to provide Marine Air Ground Task Force commanders with close air support, fire support and act as forward observers. Teams, made up of primarily forward observers and field radio operators, go out with ground elements and set up forward observation posts. There they gather information and when the enemy moves into a certain area, ANGLICO members call in artillery, air support or naval gunfire.