It looks like the initial wave of 1,500 North Korean special operations troops sent to Russia are going to be used to try and help push Ukrainian troops out of the Russian territory of Kursk:

Russia is using civilian-plated trucks to transport “mercenaries” from North Korea to a frontline area, Ukraine’s military intelligence service has said, amid concerns over North Korean troops possibly joining combat in Russia’s war on Ukraine.
On Sunday, Russian police officers stopped a truck with civilian license plates carrying North Korean military personnel on the Kursk-Voronezh highway, the Defense Intelligence of Ukraine said, noting the driver did not have a combat order.
The announcement comes amid reports of North Korean troops gathering in Russia’s southwestern region of Kursk, where a major Ukrainian incursion took place in August.
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