The Chairman of the U.S. Joint Chiefs of Staff (JCS) on Thursday said that military options against North Korea’s nuclear threats are “horrible,” but that it was necessary for the U.S. to have them prepared.

Speaking to media in Beijing, General Joseph Dunford said that President Trump had “told us to develop credible viable military options and that’s exactly what we’re doing,” AP reported.

The JCS chairman said Washington would not allow the DPRK to develop a nuclear-tipped ballistic missile that could strike the mainland.

Dunford said that it’s “absolutely horrific if there would be a military solution to this