Group 1 - The Pentagon has been blocking Ukraine from using long-range missiles to strike targets within Russia for several months [1][3] - A previously undisclosed approval process by the U.S. Department of Defense has prevented Ukraine from launching any U.S.-made Army Tactical Missile Systems (ATACMS) against Russian targets since late spring [1] - This approval process was ultimately decided by U.S. Defense Secretary Lloyd Austin, overriding a decision made by former President Biden that allowed Ukraine to use ATACMS against Russia [3] Group 2 - The approval requirements also apply to Ukraine's use of Storm Shadow cruise missiles, which rely on U.S.-provided targeting data [3] - The White House Press Secretary stated that the current military situation between Russia and Ukraine remains unchanged, and Secretary Austin is aligned with President Trump on the matter [3]