U.S. sources: Signs of North Korea mobile ballistic missile launch By Barbara Starr, CNN Pentagon Correspondent Updated 1807 GMT (0107 HKT) April 12, 2016 CNN) — U.S. intelligence satellites have spotted signs that North Korea may be preparing for an unprecedented launch of a mobile ballistic missile which could potentially hit portions of the U.S., CNN has learned. Opinion: Impose sanctions on North Korea's enablers Two U.S. officials told CNN that if the regime proceeds with a launch, the latest assessments are the most likely scenario is the launch of the so-called Musudan missile, which the U.S. believes could potentially...