Three military exercises, launched on Monday, Dec. 20, by Iranian Revolutionary Guards in the Persian Gulf, Strait of Hormuz and coastal regions, followed another tense pause in the Vienna nuclear talks with world powers after meager progress. The IRGC has placed its entire array of war arms, its aerospace division, ground troops, and naval forces into play. Guards’ maritime forces are set to practice the takeover of the strategic Strait of Hormuz, through which one fifth of the world’s oil passes, as well as drilling defenses of the central and southern coastal regions of oil-rich Khuzestan and Bushehr. Early Monday,...