In this operation, the relative strength of friendly and enemy forces, the tremendous area involved, extensive distances negotiated, and the short time required to obtain a decisive victory, pay substantial tribute to the courage and aggressiveness of the combat soldier, and to the skill and superior devotion to duty of service troops participating." Sections include information on topics regarding the island of Mindanao, the enemy, directives, training, the amphibious phase, the advance to Kabakan, the capture of Davao, the Sayre Highway, final phases, troop lists, casualties, air support, employment of antiaircraft as infantry, guerrillas, signal operations, and observations and comments. Approved for public release; distribution is unlimited.