"We're very familiar with North Korea's capabilities, and I'm very confident in our ability to deter that," Adm. Charles Richard, commander of Stratcom, said.
Follow North Korea’s nuclear ambitions
The nuclear threat from North Korea appears to be growing as the reclusive regime continues to stockpile weapons. It has not conducted nuclear or long-range missile tests since 2017, but North Korea launched a pair of short-range ballistic missiles in March and showed off a new ICBM at a military parade in October. It also has a new air defense system. Diplomatic efforts at denuclearization from the U.S. and South Korea have stalled over the past two years. Follow the developments.