Philippine President Rodrigo Duterte gestures while addressing the Philippine Coast Guard's 115th anniversary celebration which was highlighted by the commissioning of its vessel from Japan the BRP Tubbataha Wednesday Oct. 12, 2016 in Manila, Philippines. Duterte said he has instructed his defense chief not to prepare for joint exercises with the U.S. military next year as he moved to realize his threat to scrap the high-profile symbol of his country's treaty alliance. (AP Photo/Bullit Marquez)