In response to the approval of US long-range missile use by Ukraine, Russia has stated it will enact an ‘appropriate and tangible’ response, highlighting concern over direct US involvement in the Ukraine conflict. President Joe Biden’s decision to allow Ukraine to use US ATACMS as part of their strategy coincides with intensified Russian attacks on Ukrainian cities. Meanwhile, North Korea is reportedly sending troops to support Russia, further complicating the situation. As the war approaches its 1,000th day, the regional balance of power is shifting dramatically.