Ukraine depends on the United States in three key areas. CNN analyzed whether Zelensky could We are talking about Patriot air defense missiles, intelligence and satellite communications from Star Shield. And European allies cannot yet fully replace American capabilities. According to CNN, Ukraine's stockpile of Patriot interceptor missiles ran out or dwindled last week. After the Russian attack on Kiev on Thursday night, not a single ballistic missile was shot down. On the intelligence side, American intelligence helps Ukraine identify threats early. Zelensky previously reported on cases in which Ukraine did not receive warnings about ballistic attacks. He later stated that cooperation in the field was renewed. Ukraine also depends on the American star shield system. According to CNN, the restrictions on its operation interfered with Ukrainian interceptor drones and complicated frontline operations. At the same time, Europe already provides more aid to Ukraine than the United States, according to the Kiel Institute for the World Economy. But part of the European supply is American weapons, the transfer of which still depends on Washington's permission. Experts believe that interruptions in American support could severely damage Ukraine and increase casualties among the military and civilians. However, they doubt that this will force Kiev to abandon the fight. But prolonged disagreements between the United States and Europe may play into the Kremlin's hands: Moscow can count on Western support for Ukraine to gradually weaken.