The officials, who spoke on grounds of anonymity, said that out of the estimated 11,000 troops sent from North Korea, known as DPRK (Democratic People's Republic of Korea), 4,000 were battle casualties.

It will mostly be missile and artillery troops who typically operate hundreds of tubed and rocket artillery systems as well as the KN-23 short-range ballistic missiles Pyongyang has already provided Moscow,

North Korea will send Russia another 150 short-range ballistic missiles this year. Pyongyang is also likely to transfer additional howitzers, as the head of Ukraine's intelligence, Kyrylo Budanov, said in an interview with The War Zone.

North Korea is set to provide Russia with at least 150 KN-23 short-range ballistic missiles, along with artillery shells and related systems, in 2025. Source: The War Zone, citing Kyrylo Budanov, Head of Defence Intelligence of Ukraine (DIU) Quote: "Artillery is used to support both North Korean and Russian operations,

The report highlights that North Korean soldiers have developed unique battlefield tactics, such as using a soldier as bait to shoot down drones or detonating grenades, holding it under the neck with one hand on the pin when the Ukrainian military approaches to avoid capture when severely wounded.