In spite of the apparent failure of another North Korean missile test at the weekend, the country’s aggressive testing schedule could see its Musudan intermediate ballistic missile entering operational service sometime next year – much sooner than expected, a leading U.S. expert said on Monday.

The U.S. military said on Saturday it had detected a failed launch of a Musudan, the latest in a series in violation of United Nations resolutions.

The U.S. Strategic Command said the missile failed in a launch near North Korea’s northwestern city of Kusong. South Korea’s military said the missile failed immediately after launch, but neither it nor the Pentagon suggested reasons. […]