Cpl. Martin Quevedo-Chirinos, a joint fires observer with 1st Air Naval Gunfire Liaison Company, reviews gridded reference graphics of Lake Havasu City, Arizona, during simulated close air support training April 12-13, 2015. The training allowed Marines to receive valuable training with various types of equipment. - Cpl. Martin Quevedo-Chirinos, a joint fires observer with 1st Air Naval Gunfire Liaison Company, reviews gridded reference graphics of Lake Havasu City, Arizona, during simulated close air support training April 12-13, 2015. The training allowed Marines to receive valuable training with various types of equipment.