It is believed that North Korea’s previous space rockets used unsymmetrical dimethylhydrazine as fuel and dinitrogen tetroxide as an oxidizer. The country’s swift transition in space rocket ...

North Korea’s expanding ballistic missile program, along with its advancing nuclear weapons project, is a serious and growing ...

Nodong-1 is a single-stage, liquid-fueled missile, which employs a unique combination of unsymmetrical dimethylhydrazine (UDMH) and AK-27 (nitric acid with nitrogen oxides) for propulsion. What ...