Former CENTCOM Deputy: America and Israel Failed to Destroy Iran's Missile and UAV Capabilities Robert Stiles of Harvard University and former vice president of organization Centcom said that the failure of the United States and Israel to destroy Iran's ballistic missile and UAV capabilities is considered the "most important failure" of this war. Harvard said: These are Iran's main tools to threaten the American forces, Israel. Unfortunately, we have not been able to eliminate this threat completely.