13 that some North Korean troops have already been deployed to fight along Russian forces.According to FT, some of the delivered weapons have been moved to Kursk Oblast to assist in Russia's effort to regain control of the territory it lost to Ukrainian forces earlier this year. The weapons include North Korean-made 170mm M1989 self-propelled howitzers as well as updated 240mm MLRS systems.The reliability of North Korean-made weapons has previously come into question, with reports by South Korea's intelligence agency that Pyongyang previously sent weapons made in the 1970s to Moscow.With Russia's military stocks running low and domestic production capacity simultaneously hampered by Western sanctions, North Korea has been shaping up as Russia's leading weapons supplier, providing Moscow with extensive military packagesNorth Korea has previously provided Russia with as many as 4.8 million artillery shells, South Korean Defense Minister Shin Won-sik said in June.