The United States has accused North Korea, one of the most weaponized countries in the world, of supplying Soviet-era ammunition such as artillery shells, to replenish Russian stockpiles that have been depleted in the Ukraine.North, South Korea fire off dueling missile-launch videosSeoul: N. Korea fires ballistic missile toward eastern seaUS expands sanctions on Myanmar, NKorea aviation sectorsDogs gifted by Kim Jong Un at center of South Korean rowIn September, North Korea restarted its freight train service with China, its biggest trading partner, ending a five-month hiatus.Last week, U.S. National Security Council spokesperson John Kirby accused North Korea of covertly supplying a “significant number” of ammunition shipments to Russia.Even as most of Europe and the West has pulled away, North Korea has pushed to boost relations with Russia, blaming the U.S. for the crisis and decrying the West’s “hegemonic policy” as justifying military action by Russia in Ukraine to protect itself.“The U.N. secretary general is echoing what the White House and the State Department say as if he were their mouthpiece, which is deplorable,” said Kim Son Gyong, vice minister for international organizations at the North Korean Foreign Ministry."