The United States on Monday announced nearly $6 billion in additional military and budget assistance for Ukraine as President Joe Biden uses his final weeks in office to surge aid to Kyiv before President-elect Donald Trump takes power. Biden announced $2.5 billion in additional security assistance for Ukraine. Treasury Secretary Janet Yellen said the United States has made available $3.4 billion in additional budget aid to Ukraine, giving the war-torn country critical resources amid intensifying Russian attacks on Ukrainian civilians and infrastructure.