More than a dozen progressive lawmakers had signed onto a draft letter, but a lack of Republican support meant it was unlikely to affect policy decisions by the Trump administration.
The measure faces long odds given past Republican opposition to sending additional assistance to Kyiv, but it comes as President Trump has signaled a new openness to finding ways to back the nation.
The measure by Senators Jeanne Shaheen of New Hampshire, left, the top Democrat on the Foreign Relations Committee, and Lisa Murkowski, right, Republican of Alaska, includes billions of dollars for direct weapons assistance to Ukraine.