Pyongyang's provision of troops as well as weapons and munitions that Moscow can't produce fast enough carries a symbolic element.

North Korea demonstrated this year that it could produce ballistic missiles and supply them to Russia for use against Ukraine in a matter of months.

By bno - Taipei Office North Korea’s involvement in supplying ballistic missiles to Russia for use against Ukraine has become a matter of serious international concern, as fresh evidence suggests that the regime is capable of producing and transferring missiles within a matter of months.