Ghost Recon Wildlands - Pull! Trophy / Achievement Guide

Ghost Recon Wildlands - Pull! Trophy / Achievement Guide - Shot an enemy chopper out of the air with a mortar. [Silver] First you must get the "Mortar" rebel skill, which is an unmissable unlock in one of the first few main quests of Itacua province (starting province). The quest is called "Rebellion Rising" and cannot be missed. Now go to one of the rebel side quests in which you must steal a helicopter. There are plenty of those throughout the game. Two of them are in Itacua region.