North Korea’s March 25 test of two short-range ballistic missiles should be taken seriously. These missiles threaten South Korea and Americans living there. The test unambiguously violates UN Security Council resolutions, and any miscalculation involving these missiles could escalate into nuclear war… The tests indicate Pyongyang is serious about developing tactical nuclear weapons, which can be achieved by mounting nuclear warheads onto short-range ballistic missiles.- Bulletin of the Atomic Scientists Photo: Russian Ministry of Defence