For weeks, Ukrainian troops braced for an unfamiliar enemy: North Korean soldiers sent to bolster Moscow's forces after Ukraine launched a lightning-fast incursion and seized territory in Russia's Kursk region over the summer. Their arrival marked a new and alarming phase in the war. And while initially inexperienced on the battlefield, North Korean troops have adapted quickly a development that could have far-reaching consequences as they gain combat knowledge in the war against Ukraine. Unlike the Russian troops Ukraine has been battling for nearly three years, Kyiv's forces were uncertain about what to expect from this new adversary, drawn into the war after Moscow and Pyongyang signed an agreement pledging military assistance using all means if either were attacked. One Ukrainian soldier who has witnessed North Koreans in battle described them as disciplined and highly methodical, saying they were more professional than their Russian counterparts. The soldier spoke to The ...