North Korea said it successfully tested a powerful new solid-fuel rocket engine, the latest in a series of announcements that appear intended to portray progress in its development of an advanced nuclear-tipped missile that could threaten the U.S.
North Korea said it successfully tested a powerful new solid-fuel rocket engine, the latest in a series of announcements that appear intended to portray progress in its development of an advanced nuclear-tipped missile that could threaten the U.S.