Ukraine has been using the Army Tactical Missile System, more commonly known as ATACMS, on Russian targets in occupied Ukrainian territory for more than a year. It has used ATACMS to strike airbases in the occupied Crimean Peninsula and military positions in the Zaporizhzhia region.

President Biden approved Ukraine using long-range missiles to fire into against Russian and North Korean forces in the Kursk region of Russia's territory, multiple outlets report. Why it matters: It's the first time Biden has authorized Ukraine to use U.