Commentary A terrorist can really express himself with 5,000 metric tons of explosives. That’s precisely why specialized teams of U.S. troops and contractors in Afghanistan helped account for and secure huge stockpiles of munitions stored at eight key sites across the country. But not anymore. Those Americans have already headed home, and any remaining folks capable of assuming the mission are withdrawing along with all the other Americans ordered out by President Joe Biden. The Afghan National Army (ANA) colonel left holding the bag and responsible for this ammo is worried. “What happens when everything turns bad,” he asked, “and this stuff ends up in enemy hands?” His old boss, ANA General Hotak, former Chief of Munitions Management for the Afghan Ministry of Defense, may have provided the answer. “There are enough explosives here to supply operations for the next twenty-five years,” he said. Retired U.S. Army Special Forces Colonel …