On Tuesday, the South Korean military also said it was closely watching missile-related activities in the North. North Korea claimed to have detonated a hydrogen bomb on Sept. 3, in its sixth and most powerful nuclear test yet. Some analysts have said the recent hiatus in missile tests indicated that North Korean engineers still faced challenges such as the re-entry stage. In recent weeks, however, North Korea has repeatedly claimed to be in the “final” stage of acquiring full ICBM capability. North Korea has often celebrated its key anniversaries with major weapons tests.

Source: New York Times November 28, 2017 12:05 UTC