WASHINGTON DC  – North Korea may be preparing to test-fire Musudan medium-range missiles in the coming days, U.S. officials speaking to ABC News said.

The latest development comes a day after South Korean Defense Minister Kim Kwan-jin told a parliamentary defense committee meeting that North Korea had moved medium range missiles to a location along their east coast.

Although Kim said the missiles were not “aimed at the U.S. mainland,” he said that he believed they have “considerable range.”

U.S. officials told ABC Newsthat the missiles were estimated to have a range of between 1,800 and 2,500 miles, while David Wright