"Unlike the DF-31, which is a liquid-fueled intercontinental ballistic missile (ICBM), the DF-21 is a solid-fueled medium-range ballistic missile, which means quick preparation times compared to liquid-fueled."

A road-mobile, liquid fueled ICBM. It doesn't even make sense. This Erika Solem person should not write any more articles on Chinese nuclear deterrence. Ever. Maybe stick to reports on women's fashion. Or shoes. She'd probably be good at writing about shoes. But not Chinese defence.