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Esper: Drones, Mines Complicate Strait Escort Mission

Mark Esper, former U.S. Secretary of Defense under the first Trump administration, says drones and sea mines remain the most complicated threats in the Strait of Hormuz and could delay US naval escort missions. Esper also reflects on the tragedy of recent US service member deaths in the Middle East. He speaks on Bloomberg's "Balance of Power." (Source: Bloomberg)