South Korean officials had asked for such a demonstration of U.S. "extended deterrence" a military term used for nuclear force, defense officials said.
And he called for steep cuts in the short-range nuclear weapons that are the backbone of the "nuclear umbrella" our allies have long relied upon for extendeddeterrence.
In a statement, the US military said that the B-2 planes demonstrated America's ability to "provide extendeddeterrence" to its allies and conduct "long-range, precision strikes quickly and at will".