The Melting PointAs the Commander of U. S. Central Command, General Frank McKenzie oversaw some of the most importantand controversialoperations in modern U. S. military history. He had direct operational responsibility for the strikes on Qassem Soleimani and two successive leaders of ISIS, the many months of deterrence operations against Iran and its proxies, and the methodical drawdown in Iraq. He directed the noncombatant evacuation operation in Afghanistan and the