North Korea likely making solid-fuel rocket engines at Hamhung factory: 38 North

According to an analysis posted on Tuesday by 38 North, the specialist website on North Korean affairs, large solid-fuel rocket engines for North Korea’s ballistic missile program are most likely being made at a factory complex near Hamhung. The factory’s existence is said to underscore the importance of solid-fuel engines in the modernization of Pyongyang’s ballistic missile forces. “North Korea has been working on developing solid-propellant missiles because they can be transported, stored and prepared for launch more quickly than liquid-fueled systems.